.ie7 .grid-1{width:8.2467%;}.ie7 .grid-2{width:16.5033%;}.ie7 .grid-3{width:24.75%;}.ie7 .grid-4{width:32.9967%;}.ie7 .grid-5{width:41.2533%;}.ie7 .grid-6{width:49.5%;}.ie7 .grid-7{width:57.7467%;}.ie7 .grid-8{width:66.0033%;}.ie7 .grid-9{width:74.25%;}.ie7 .grid-10{width:82.4967%;}.ie7 .grid-11{width:90.7533%;}.ie7 .grid-12{width:99%;}.ie7 .push-1{margin-left:8.2467%;}.ie7 .push-2{margin-left:16.5033%;}.ie7 .push-3{margin-left:24.75%;}.ie7 .push-4{margin-left:32.9967%;}.ie7 .push-5{margin-left:41.2533%;}.ie7 .push-6{margin-left:49.5%;}.ie7 .push-7{margin-left:57.7467%;}.ie7 .push-8{margin-left:66.0033%;}.ie7 .push-9{margin-left:74.25%;}.ie7 .push-10{margin-left:82.4967%;}.ie7 .push-11{margin-left:90.7533%;}.ie7 .push-12{margin-left:99%;}.ie7 .pull-1{margin-left:-8.2467%;}.ie7 .pull-2{margin-left:-16.5033%;}.ie7 .pull-3{margin-left:-24.75%;}.ie7 .pull-4{margin-left:-32.9967%;}.ie7 .pull-5{margin-left:-41.2533%;}.ie7 .pull-6{margin-left:-49.5%;}.ie7 .pull-7{margin-left:-57.7467%;}.ie7 .pull-8{margin-left:-66.0033%;}.ie7 .pull-9{margin-left:-74.25%;}.ie7 .pull-10{margin-left:-82.4967%;}.ie7 .pull-11{margin-left:-90.7533%;}.ie7 .pull-12{margin-left:-99%;}
.edu-iconDiscussTitle,.edu-linkUnfollowText,.edu-linkFollowingText,.edu-linkFollowTextHover,.edu-linkFollowText,.edu-iconNotSignedIn,.edu-badgePickHorz,.edu-pullquote,.edu-linkYouTubeHover,.edu-linkYouTube,.edu-linkTwitterHover,.edu-linkTwitter,.edu-linkSocialRSSHover,.edu-linkSocialRSS,.edu-linkPinterestHover,.edu-linkPinterest,.edu-linkLinkedInHover,.edu-linkLinkedIn,.edu-linkGplusHover,.edu-linkGplus,.edu-linkFacebookHover,.edu-linkFacebook,.edu-badgePickVert,.edu-titleWatch,.edu-titleDiscussion,.edu-titleBrowse,.edu-titleResource,.edu-linkRSSHover,.edu-linkRSSAlt,.edu-linkRSS,.edu-linkFollowHover,.edu-linkFollowAlt,.edu-linkFollow,.edu-linkBookmarkHover,.edu-linkBookmarkAlt,.edu-linkBookmark,.edu-iconMyProfileVideo,.edu-iconActivityViewLg,.edu-iconActivityShareLg,.edu-iconActivityReplyLg,.edu-iconActivityLikeLg,.edu-iconActivityDiscussionLg,.edu-iconActivityBlogLg,.edu-iconActivityArticleLg,.edu-iconSidebarTwitter,.edu-iconSidebarFacebook,.edu-iconVideoUse,.edu-iconVideoSubscribe,.edu-iconVideoPlay,.edu-iconShareComments,.edu-iconSearch,.edu-linkSettings,.edu-linkRules,.edu-linkReset,.edu-linkMessage,.edu-linkJoinDiscussion,.edu-linkEdit,.edu-iconLike,.edu-iconFlag,.edu-linkLikeHover,.edu-linkLikeAlt,.edu-linkLike,.edu-linkInfoHover,.edu-linkInfoAlt,.edu-linkInfo,.edu-linkFlagHover,.edu-linkFlagAlt,.edu-linkFlag,.edu-linkExpandHover,.edu-linkExpand,.edu-linkEmbedHover,.edu-linkEmbedAlt,.edu-linkEmbed,.edu-linkDownloadHover,.edu-linkDownloadAlt,.edu-linkDownload,.edu-linkCollapseHover,.edu-linkCollapse,.edu-linkCloseHover,.edu-linkClose,.edu-iconVideoEmbedAlt,.edu-iconVideoDownloadAlt,.edu-iconPgRt,.edu-iconPgLft,.edu-iconArrowWhiteRight,.edu-iconArrowWhiteLeft,.edu-iconArrowWhiteDown,.edu-iconArrowDown,.edu-badgeVideo,.edu-badgeTailStaff,.edu-badgeTailFacilitator,.edu-badgeTailExpert,.edu-badgeTailBlogger,.edu-badgeStaff,.edu-badgePick,.edu-badgeFacilitator,.edu-badgeExpert,.edu-badgeBlogger,.edu-iconActivityViewGray,.edu-iconActivityShareGray,.edu-iconActivityLikeGray,.edu-iconActivityDiscussionGray,.edu-tabWatch,.edu-tabFollow,.edu-tabDiscussion,.edu-tabBrowse,.edu-tabBookmark,.edu-iconVideoWatch,.edu-iconTabDiscussion,.edu-iconTabBrowse,.edu-iconSharePrint,.edu-iconShareEmail,.edu-iconShare,.edu-linkExternal,.edu-linkDiscussionAdd,.edu-iconVideoView,.edu-iconVideoTranscriptDownload,.edu-iconVideoDownload,.edu-iconPickHorz,.edu-linkMore,.edu-iconVideoTranscriptHover,.edu-iconVideoTranscriptAlt,.edu-iconVideoTranscript,.edu-iconEmailNav,.edu-iconCheck,.edu-iconBookmark,.edu-iconArrowOrangeRight,.edu-iconArrowOrangeLeft,.edu-iconArrowOrangeDown,.edu-dialoguePointerBot,.edu-iconBulletBrackets,.edu-iconFilterExpand,.edu-iconFilterCollapse{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){
.edu-iconDiscussTitle,.edu-linkUnfollowText,.edu-linkFollowingText,.edu-linkFollowTextHover,.edu-linkFollowText,.edu-iconNotSignedIn,.edu-badgePickHorz,.edu-pullquote,.edu-linkYouTubeHover,.edu-linkYouTube,.edu-linkTwitterHover,.edu-linkTwitter,.edu-linkSocialRSSHover,.edu-linkSocialRSS,.edu-linkPinterestHover,.edu-linkPinterest,.edu-linkLinkedInHover,.edu-linkLinkedIn,.edu-linkGplusHover,.edu-linkGplus,.edu-linkFacebookHover,.edu-linkFacebook,.edu-badgePickVert,.edu-titleWatch,.edu-titleDiscussion,.edu-titleBrowse,.edu-titleResource,.edu-linkRSSHover,.edu-linkRSSAlt,.edu-linkRSS,.edu-linkFollowHover,.edu-linkFollowAlt,.edu-linkFollow,.edu-linkBookmarkHover,.edu-linkBookmarkAlt,.edu-linkBookmark,.edu-iconMyProfileVideo,.edu-iconActivityViewLg,.edu-iconActivityShareLg,.edu-iconActivityReplyLg,.edu-iconActivityLikeLg,.edu-iconActivityDiscussionLg,.edu-iconActivityBlogLg,.edu-iconActivityArticleLg,.edu-iconSidebarTwitter,.edu-iconSidebarFacebook,.edu-iconVideoUse,.edu-iconVideoSubscribe,.edu-iconVideoPlay,.edu-iconShareComments,.edu-iconSearch,.edu-linkSettings,.edu-linkRules,.edu-linkReset,.edu-linkMessage,.edu-linkJoinDiscussion,.edu-linkEdit,.edu-iconLike,.edu-iconFlag,.edu-linkLikeHover,.edu-linkLikeAlt,.edu-linkLike,.edu-linkInfoHover,.edu-linkInfoAlt,.edu-linkInfo,.edu-linkFlagHover,.edu-linkFlagAlt,.edu-linkFlag,.edu-linkExpandHover,.edu-linkExpand,.edu-linkEmbedHover,.edu-linkEmbedAlt,.edu-linkEmbed,.edu-linkDownloadHover,.edu-linkDownloadAlt,.edu-linkDownload,.edu-linkCollapseHover,.edu-linkCollapse,.edu-linkCloseHover,.edu-linkClose,.edu-iconVideoEmbedAlt,.edu-iconVideoDownloadAlt,.edu-iconPgRt,.edu-iconPgLft,.edu-iconArrowWhiteRight,.edu-iconArrowWhiteLeft,.edu-iconArrowWhiteDown,.edu-iconArrowDown,.edu-badgeVideo,.edu-badgeTailStaff,.edu-badgeTailFacilitator,.edu-badgeTailExpert,.edu-badgeTailBlogger,.edu-badgeStaff,.edu-badgePick,.edu-badgeFacilitator,.edu-badgeExpert,.edu-badgeBlogger,.edu-iconActivityViewGray,.edu-iconActivityShareGray,.edu-iconActivityLikeGray,.edu-iconActivityDiscussionGray,.edu-tabWatch,.edu-tabFollow,.edu-tabDiscussion,.edu-tabBrowse,.edu-tabBookmark,.edu-iconVideoWatch,.edu-iconTabDiscussion,.edu-iconTabBrowse,.edu-iconSharePrint,.edu-iconShareEmail,.edu-iconShare,.edu-linkExternal,.edu-linkDiscussionAdd,.edu-iconVideoView,.edu-iconVideoTranscriptDownload,.edu-iconVideoDownload,.edu-iconPickHorz,.edu-linkMore,.edu-iconVideoTranscriptHover,.edu-iconVideoTranscriptAlt,.edu-iconVideoTranscript,.edu-iconEmailNav,.edu-iconCheck,.edu-iconBookmark,.edu-iconArrowOrangeRight,.edu-iconArrowOrangeLeft,.edu-iconArrowOrangeDown,.edu-dialoguePointerBot,.edu-iconBulletBrackets,.edu-iconFilterExpand,.edu-iconFilterCollapse{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){
.edu-iconDiscussTitle,.edu-linkUnfollowText,.edu-linkFollowingText,.edu-linkFollowTextHover,.edu-linkFollowText,.edu-iconNotSignedIn,.edu-badgePickHorz,.edu-pullquote,.edu-linkYouTubeHover,.edu-linkYouTube,.edu-linkTwitterHover,.edu-linkTwitter,.edu-linkSocialRSSHover,.edu-linkSocialRSS,.edu-linkPinterestHover,.edu-linkPinterest,.edu-linkLinkedInHover,.edu-linkLinkedIn,.edu-linkGplusHover,.edu-linkGplus,.edu-linkFacebookHover,.edu-linkFacebook,.edu-badgePickVert,.edu-titleWatch,.edu-titleDiscussion,.edu-titleBrowse,.edu-titleResource,.edu-linkRSSHover,.edu-linkRSSAlt,.edu-linkRSS,.edu-linkFollowHover,.edu-linkFollowAlt,.edu-linkFollow,.edu-linkBookmarkHover,.edu-linkBookmarkAlt,.edu-linkBookmark,.edu-iconMyProfileVideo,.edu-iconActivityViewLg,.edu-iconActivityShareLg,.edu-iconActivityReplyLg,.edu-iconActivityLikeLg,.edu-iconActivityDiscussionLg,.edu-iconActivityBlogLg,.edu-iconActivityArticleLg,.edu-iconSidebarTwitter,.edu-iconSidebarFacebook,.edu-iconVideoUse,.edu-iconVideoSubscribe,.edu-iconVideoPlay,.edu-iconShareComments,.edu-iconSearch,.edu-linkSettings,.edu-linkRules,.edu-linkReset,.edu-linkMessage,.edu-linkJoinDiscussion,.edu-linkEdit,.edu-iconLike,.edu-iconFlag,.edu-linkLikeHover,.edu-linkLikeAlt,.edu-linkLike,.edu-linkInfoHover,.edu-linkInfoAlt,.edu-linkInfo,.edu-linkFlagHover,.edu-linkFlagAlt,.edu-linkFlag,.edu-linkExpandHover,.edu-linkExpand,.edu-linkEmbedHover,.edu-linkEmbedAlt,.edu-linkEmbed,.edu-linkDownloadHover,.edu-linkDownloadAlt,.edu-linkDownload,.edu-linkCollapseHover,.edu-linkCollapse,.edu-linkCloseHover,.edu-linkClose,.edu-iconVideoEmbedAlt,.edu-iconVideoDownloadAlt,.edu-iconPgRt,.edu-iconPgLft,.edu-iconArrowWhiteRight,.edu-iconArrowWhiteLeft,.edu-iconArrowWhiteDown,.edu-iconArrowDown,.edu-badgeVideo,.edu-badgeTailStaff,.edu-badgeTailFacilitator,.edu-badgeTailExpert,.edu-badgeTailBlogger,.edu-badgeStaff,.edu-badgePick,.edu-badgeFacilitator,.edu-badgeExpert,.edu-badgeBlogger,.edu-iconActivityViewGray,.edu-iconActivityShareGray,.edu-iconActivityLikeGray,.edu-iconActivityDiscussionGray,.edu-tabWatch,.edu-tabFollow,.edu-tabDiscussion,.edu-tabBrowse,.edu-tabBookmark,.edu-iconVideoWatch,.edu-iconTabDiscussion,.edu-iconTabBrowse,.edu-iconSharePrint,.edu-iconShareEmail,.edu-iconShare,.edu-linkExternal,.edu-linkDiscussionAdd,.edu-iconVideoView,.edu-iconVideoTranscriptDownload,.edu-iconVideoDownload,.edu-iconPickHorz,.edu-linkMore,.edu-iconVideoTranscriptHover,.edu-iconVideoTranscriptAlt,.edu-iconVideoTranscript,.edu-iconEmailNav,.edu-iconCheck,.edu-iconBookmark,.edu-iconArrowOrangeRight,.edu-iconArrowOrangeLeft,.edu-iconArrowOrangeDown,.edu-dialoguePointerBot,.edu-iconBulletBrackets,.edu-iconFilterExpand,.edu-iconFilterCollapse{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconDiscussTitle{background-position:0 0;width:131px;height:32px;}.edu-linkUnfollowText{background-position:0 -32px;width:66px;height:28px;}.edu-linkFollowingText{background-position:-66px -32px;width:66px;height:28px;}.edu-linkFollowTextHover{background-position:0 -60px;width:66px;height:28px;}.edu-linkFollowText{background-position:-66px -60px;width:66px;height:28px;}.edu-iconNotSignedIn{background-position:-131px 0;width:62px;height:62px;}.edu-badgePickHorz{background-position:0 -88px;width:53px;height:38px;}.edu-pullquote{background-position:0 -126px;width:38px;height:40px;}.edu-linkYouTubeHover{background-position:-53px -88px;width:34px;height:34px;}.edu-linkYouTube{background-position:-87px -88px;width:34px;height:34px;}.edu-linkTwitterHover{background-position:-121px -88px;width:34px;height:34px;}.edu-linkTwitter{background-position:-155px -88px;width:34px;height:34px;}.edu-linkSocialRSSHover{background-position:-38px -126px;width:34px;height:34px;}.edu-linkSocialRSS{background-position:-72px -126px;width:34px;height:34px;}.edu-linkPinterestHover{background-position:-106px -126px;width:34px;height:34px;}.edu-linkPinterest{background-position:-140px -126px;width:34px;height:34px;}.edu-linkLinkedInHover{background-position:-193px 0;width:34px;height:34px;}.edu-linkLinkedIn{background-position:-193px -34px;width:34px;height:34px;}.edu-linkGplusHover{background-position:-193px -68px;width:34px;height:34px;}.edu-linkGplus{background-position:-193px -102px;width:34px;height:34px;}.edu-linkFacebookHover{background-position:0 -166px;width:34px;height:34px;}.edu-linkFacebook{background-position:-34px -166px;width:34px;height:34px;}.edu-badgePickVert{background-position:-68px -166px;width:27px;height:34px;}.edu-titleWatch{background-position:-95px -166px;width:32px;height:32px;}.edu-titleDiscussion{background-position:-127px -166px;width:32px;height:32px;}.edu-titleBrowse{background-position:-159px -166px;width:32px;height:32px;}.edu-titleResource{background-position:5px -301px;width:32px;height:32px;}.edu-linkRSSHover{background-position:-193px -136px;width:32px;height:28px;}.edu-linkRSSAlt{background-position:-191px -166px;width:32px;height:28px;}.edu-linkRSS{background-position:-227px 0;width:32px;height:28px;}.edu-linkFollowHover{background-position:-227px -28px;width:32px;height:28px;}.edu-linkFollowAlt{background-position:-227px -56px;width:32px;height:28px;}.edu-linkFollow{background-position:-227px -84px;width:32px;height:28px;}.edu-linkBookmarkHover{background-position:-227px -112px;width:32px;height:28px;}.edu-linkBookmarkAlt{background-position:-227px -140px;width:32px;height:28px;}.edu-linkBookmark{background-position:-227px -168px;width:32px;height:28px;}.edu-iconMyProfileVideo{background-position:0 -200px;width:32px;height:28px;}.edu-iconActivityViewLg{background-position:-32px -200px;width:32px;height:28px;}.edu-iconActivityShareLg{background-position:-64px -200px;width:32px;height:28px;}.edu-iconActivityReplyLg{background-position:-96px -200px;width:32px;height:28px;}.edu-iconActivityLikeLg{background-position:-128px -200px;width:32px;height:28px;}.edu-iconActivityDiscussionLg{background-position:-160px -200px;width:32px;height:28px;}.edu-iconActivityBlogLg{background-position:-192px -200px;width:32px;height:28px;}.edu-iconActivityArticleLg{background-position:-224px -200px;width:32px;height:28px;}.edu-iconSidebarTwitter{background-position:-131px -62px;width:31px;height:24px;}.edu-iconSidebarFacebook{background-position:-162px -62px;width:31px;height:24px;}.edu-iconVideoUse{background-position:0 -228px;width:29px;height:28px;}.edu-iconVideoSubscribe{background-position:-29px -228px;width:28px;height:26px;}.edu-iconVideoPlay{background-position:-57px -228px;width:26px;height:26px;}.edu-iconShareComments{background-position:-83px -228px;width:26px;height:24px;}.edu-iconSearch{background-position:-259px 0;width:25px;height:25px;}.edu-linkSettings{background-position:-259px -25px;width:24px;height:24px;}.edu-linkRules{background-position:-259px -49px;width:24px;height:24px;}.edu-linkReset{background-position:-259px -73px;width:24px;height:24px;}.edu-linkMessage{background-position:-259px -97px;width:24px;height:24px;}.edu-linkJoinDiscussion{background-position:-259px -121px;width:24px;height:24px;}.edu-linkEdit{background-position:-259px -145px;width:24px;height:24px;}.edu-iconLike{background-position:-259px -169px;width:24px;height:21px;}.edu-iconFlag{background-position:-259px -190px;width:24px;height:21px;}.edu-linkLikeHover{background-position:-259px -211px;width:22px;height:22px;}.edu-linkLikeAlt{background-position:-259px -233px;width:22px;height:22px;}.edu-linkLike{background-position:-110px -228px;width:22px;height:22px;}.edu-linkInfoHover{background-position:-131px -228px;width:22px;height:20px;}.edu-linkInfoAlt{background-position:-153px -228px;width:22px;height:20px;}.edu-linkInfo{background-position:-175px -228px;width:22px;height:20px;}.edu-linkFlagHover{background-position:0 -256px;width:22px;height:22px;}.edu-linkFlagAlt{background-position:-22px -256px;width:22px;height:22px;}.edu-linkFlag{background-position:-44px -256px;width:22px;height:22px;}.edu-linkExpandHover{background-position:-197px -228px;width:22px;height:11px;}.edu-linkExpand{background-position:-219px -228px;width:22px;height:11px;}.edu-linkEmbedHover{background-position:-66px -256px;width:22px;height:21px;}.edu-linkEmbedAlt{background-position:-88px -256px;width:22px;height:20px;}.edu-linkEmbed{background-position:-110px -256px;width:22px;height:19px;}.edu-linkDownloadHover{background-position:-284px 0;width:22px;height:20px;}.edu-linkDownloadAlt{background-position:-284px -20px;width:22px;height:20px;}.edu-linkDownload{background-position:-284px -40px;width:22px;height:20px;}.edu-linkCollapseHover{background-position:-284px -60px;width:22px;height:11px;}.edu-linkCollapse{background-position:-284px -71px;width:22px;height:11px;}.edu-linkCloseHover{background-position:-284px -82px;width:22px;height:18px;}.edu-linkClose{background-position:-284px -100px;width:22px;height:18px;}.edu-iconVideoEmbedAlt{background-position:-284px -118px;width:22px;height:20px;}.edu-iconVideoDownloadAlt{background-position:-284px -138px;width:22px;height:20px;}.edu-iconPgRt{background-position:-284px -158px;width:22px;height:22px;}.edu-iconPgLft{background-position:-284px -180px;width:22px;height:22px;}.edu-iconArrowWhiteRight{background-position:-284px -202px;width:22px;height:22px;}.edu-iconArrowWhiteLeft{background-position:-284px -224px;width:22px;height:22px;}.edu-iconArrowWhiteDown{background-position:-284px -246px;width:22px;height:22px;}.edu-iconArrowDown{background-position:0 -278px;width:22px;height:22px;}.edu-badgeVideo{background-position:-22px -278px;width:22px;height:20px;}.edu-badgeTailStaff{background-position:-174px -126px;width:7px;height:22px;}.edu-badgeTailFacilitator{background-position:-181px -126px;width:7px;height:22px;}.edu-badgeTailExpert{background-position:-306px 0;width:7px;height:22px;}.edu-badgeTailBlogger{background-position:-306px -22px;width:7px;height:22px;}.edu-badgeStaff{background-position:-44px -278px;width:22px;height:20px;}.edu-badgePick{background-position:-132px -256px;width:22px;height:18px;}.edu-badgeFacilitator{background-position:-66px -278px;width:22px;height:20px;}.edu-badgeExpert{background-position:-88px -278px;width:22px;height:20px;}.edu-badgeBlogger{background-position:-110px -278px;width:22px;height:20px;}.edu-iconActivityViewGray{background-position:-154px -256px;width:21px;height:18px;}.edu-iconActivityShareGray{background-position:-175px -256px;width:21px;height:18px;}.edu-iconActivityLikeGray{background-position:-196px -256px;width:21px;height:18px;}.edu-iconActivityDiscussionGray{background-position:-217px -256px;width:21px;height:18px;}.edu-tabWatch{background-position:-132px -278px;width:20px;height:20px;}.edu-tabFollow{background-position:-152px -278px;width:20px;height:20px;}.edu-tabDiscussion{background-position:-172px -278px;width:20px;height:20px;}.edu-tabBrowse{background-position:-192px -278px;width:20px;height:20px;}.edu-tabBookmark{background-position:-212px -278px;width:20px;height:20px;}.edu-iconVideoWatch{background-position:-232px -278px;width:20px;height:20px;}.edu-iconTabDiscussion{background-position:-252px -278px;width:20px;height:20px;}.edu-iconTabBrowse{background-position:-272px -278px;width:20px;height:20px;}.edu-iconSharePrint{background-position:-238px -256px;width:20px;height:18px;}.edu-iconShareEmail{background-position:-258px -256px;width:20px;height:18px;}.edu-iconShare{background-position:-313px 0;width:20px;height:18px;}.edu-linkExternal{background-position:-313px -18px;width:19px;height:15px;}.edu-linkDiscussionAdd{background-position:-313px -33px;width:19px;height:18px;}.edu-iconVideoView{background-position:-313px -51px;width:19px;height:19px;}.edu-iconVideoTranscriptDownload{background-position:-313px -70px;width:19px;height:19px;}.edu-iconVideoDownload{background-position:-313px -89px;width:19px;height:19px;}.edu-iconPickHorz{background-position:-313px -108px;width:18px;height:13px;}.edu-linkMore{background-position:-313px -121px;width:17px;height:9px;}.edu-iconVideoTranscriptHover{background-position:-313px -130px;width:13px;height:16px;}.edu-iconVideoTranscriptAlt{background-position:-313px -146px;width:13px;height:16px;}.edu-iconVideoTranscript{background-position:-313px -162px;width:13px;height:16px;}.edu-iconEmailNav{background-position:-313px -178px;width:15px;height:12px;}.edu-iconCheck{background-position:-313px -190px;width:13px;height:10px;}.edu-iconBookmark{background-position:-313px -200px;width:12px;height:13px;}.edu-iconArrowOrangeRight{background-position:-313px -213px;width:11px;height:11px;}.edu-iconArrowOrangeLeft{background-position:-313px -224px;width:11px;height:11px;}.edu-iconArrowOrangeDown{background-position:-313px -235px;width:11px;height:11px;}.edu-dialoguePointerBot{background-position:-313px -246px;width:11px;height:7px;}.edu-iconBulletBrackets{background-position:-313px -253px;width:10px;height:10px;}.edu-iconFilterExpand{background-position:-324px -213px;width:9px;height:10px;}.edu-iconFilterCollapse{background-position:-324px -224px;width:9px;height:9px;}.edu-iconFacebook-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-34px -166px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFacebook-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFacebook-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFacebook-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -166px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFacebook-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFacebook-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFacebook-link,.edu-iconFacebook-link *{vertical-align:top;}.edu-iconFacebook-before{position:relative;}.edu-iconFacebook-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFacebook-before,.edu-iconFacebook-before *{vertical-align:top;}.edu-iconFacebook-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-34px -166px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFacebook-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFacebook-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFacebook-after{position:relative;}.edu-iconFacebook-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFacebook-after,.edu-iconFacebook-after *{vertical-align:top;}.edu-iconFacebook-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-34px -166px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFacebook-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFacebook-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSidebarFacebook-before{position:relative;}.edu-iconSidebarFacebook-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSidebarFacebook-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-162px -62px;width:31px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSidebarFacebook-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSidebarFacebook-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSidebarFacebook-after{position:relative;}.edu-iconSidebarFacebook-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSidebarFacebook-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-162px -62px;width:31px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSidebarFacebook-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSidebarFacebook-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSidebarFacebook-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-162px -62px;width:31px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSidebarFacebook-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSidebarFacebook-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconGplus-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -102px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconGplus-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconGplus-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconGplus-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -68px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconGplus-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconGplus-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconGplus-link,.edu-iconGplus-link *{vertical-align:top;}.edu-iconGplus-before{position:relative;}.edu-iconGplus-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconGplus-before,.edu-iconGplus-before *{vertical-align:top;}.edu-iconGplus-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -102px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconGplus-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconGplus-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconGplus-after{position:relative;}.edu-iconGplus-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconGplus-after,.edu-iconGplus-after *{vertical-align:top;}.edu-iconGplus-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -102px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconGplus-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconGplus-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLinkedIn-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -34px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLinkedIn-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLinkedIn-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLinkedIn-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px 0;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLinkedIn-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLinkedIn-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLinkedIn-link,.edu-iconLinkedIn-link *{vertical-align:top;}.edu-iconLinkedIn-before{position:relative;}.edu-iconLinkedIn-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconLinkedIn-before,.edu-iconLinkedIn-before *{vertical-align:top;}.edu-iconLinkedIn-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -34px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLinkedIn-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLinkedIn-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLinkedIn-after{position:relative;}.edu-iconLinkedIn-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconLinkedIn-after,.edu-iconLinkedIn-after *{vertical-align:top;}.edu-iconLinkedIn-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -34px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLinkedIn-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLinkedIn-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPinterest-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-140px -126px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPinterest-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPinterest-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPinterest-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-106px -126px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPinterest-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPinterest-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPinterest-link,.edu-iconPinterest-link *{vertical-align:top;}.edu-iconPinterest-before{position:relative;}.edu-iconPinterest-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconPinterest-before,.edu-iconPinterest-before *{vertical-align:top;}.edu-iconPinterest-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-140px -126px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPinterest-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPinterest-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPinterest-after{position:relative;}.edu-iconPinterest-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconPinterest-after,.edu-iconPinterest-after *{vertical-align:top;}.edu-iconPinterest-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-140px -126px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPinterest-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPinterest-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSocialRSS-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-72px -126px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSocialRSS-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSocialRSS-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSocialRSS-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-38px -126px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSocialRSS-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSocialRSS-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSocialRSS-link,.edu-iconSocialRSS-link *{vertical-align:top;}.edu-iconSocialRSS-before{position:relative;}.edu-iconSocialRSS-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSocialRSS-before,.edu-iconSocialRSS-before *{vertical-align:top;}.edu-iconSocialRSS-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-72px -126px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSocialRSS-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSocialRSS-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSocialRSS-after{position:relative;}.edu-iconSocialRSS-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSocialRSS-after,.edu-iconSocialRSS-after *{vertical-align:top;}.edu-iconSocialRSS-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-72px -126px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSocialRSS-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSocialRSS-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconTwitter-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-155px -88px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconTwitter-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconTwitter-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconTwitter-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-121px -88px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconTwitter-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconTwitter-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconTwitter-link,.edu-iconTwitter-link *{vertical-align:top;}.edu-iconTwitter-before{position:relative;}.edu-iconTwitter-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconTwitter-before,.edu-iconTwitter-before *{vertical-align:top;}.edu-iconTwitter-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-155px -88px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconTwitter-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconTwitter-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconTwitter-after{position:relative;}.edu-iconTwitter-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconTwitter-after,.edu-iconTwitter-after *{vertical-align:top;}.edu-iconTwitter-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-155px -88px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconTwitter-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconTwitter-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSidebarTwitter-before{position:relative;}.edu-iconSidebarTwitter-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSidebarTwitter-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px -62px;width:31px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSidebarTwitter-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSidebarTwitter-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSidebarTwitter-after{position:relative;}.edu-iconSidebarTwitter-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSidebarTwitter-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px -62px;width:31px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSidebarTwitter-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSidebarTwitter-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSidebarTwitter-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px -62px;width:31px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSidebarTwitter-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSidebarTwitter-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconYouTube-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-87px -88px;width:34px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconYouTube-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconYouTube-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconYouTube-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-53px -88px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconYouTube-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconYouTube-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconYouTube-link,.edu-iconYouTube-link *{vertical-align:top;}.edu-iconYouTube-before{position:relative;}.edu-iconYouTube-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconYouTube-before,.edu-iconYouTube-before *{vertical-align:top;}.edu-iconYouTube-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-87px -88px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconYouTube-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconYouTube-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconYouTube-after{position:relative;}.edu-iconYouTube-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconYouTube-after,.edu-iconYouTube-after *{vertical-align:top;}.edu-iconYouTube-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-87px -88px;width:34px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconYouTube-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconYouTube-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-212px -278px;width:20px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabBookmark-link,.edu-tabBookmark-link *{vertical-align:top;}.edu-tabBookmark-before{position:relative;}.edu-tabBookmark-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabBookmark-before,.edu-tabBookmark-before *{vertical-align:top;}.edu-tabBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-212px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabBookmark-after{position:relative;}.edu-tabBookmark-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabBookmark-after,.edu-tabBookmark-after *{vertical-align:top;}.edu-tabBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-212px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabDiscussion-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-172px -278px;width:20px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabDiscussion-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabDiscussion-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabDiscussion-link,.edu-tabDiscussion-link *{vertical-align:top;}.edu-tabDiscussion-before{position:relative;}.edu-tabDiscussion-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabDiscussion-before,.edu-tabDiscussion-before *{vertical-align:top;}.edu-tabDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-172px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabDiscussion-after{position:relative;}.edu-tabDiscussion-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabDiscussion-after,.edu-tabDiscussion-after *{vertical-align:top;}.edu-tabDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-172px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabFollow-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-152px -278px;width:20px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabFollow-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabFollow-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabFollow-link,.edu-tabFollow-link *{vertical-align:top;}.edu-tabFollow-before{position:relative;}.edu-tabFollow-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabFollow-before,.edu-tabFollow-before *{vertical-align:top;}.edu-tabFollow-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-152px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabFollow-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabFollow-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabFollow-after{position:relative;}.edu-tabFollow-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabFollow-after,.edu-tabFollow-after *{vertical-align:top;}.edu-tabFollow-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-152px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabFollow-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabFollow-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabBrowse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-192px -278px;width:20px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabBrowse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabBrowse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabBrowse-link,.edu-tabBrowse-link *{vertical-align:top;}.edu-tabBrowse-before{position:relative;}.edu-tabBrowse-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabBrowse-before,.edu-tabBrowse-before *{vertical-align:top;}.edu-tabBrowse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-192px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabBrowse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabBrowse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabBrowse-after{position:relative;}.edu-tabBrowse-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabBrowse-after,.edu-tabBrowse-after *{vertical-align:top;}.edu-tabBrowse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-192px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabBrowse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabBrowse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabWatch-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-132px -278px;width:20px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabWatch-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabWatch-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabWatch-link,.edu-tabWatch-link *{vertical-align:top;}.edu-tabWatch-before{position:relative;}.edu-tabWatch-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabWatch-before,.edu-tabWatch-before *{vertical-align:top;}.edu-tabWatch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-132px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabWatch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabWatch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-tabWatch-after{position:relative;}.edu-tabWatch-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-tabWatch-after,.edu-tabWatch-after *{vertical-align:top;}.edu-tabWatch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-132px -278px;width:20px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-tabWatch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-tabWatch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityShareLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-64px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityShareLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityShareLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityShareLg-before{position:relative;}.edu-iconActivityShareLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityShareLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-64px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityShareLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityShareLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityShareLg-after{position:relative;}.edu-iconActivityShareLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityShareLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-64px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityShareLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityShareLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityViewLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-32px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityViewLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityViewLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityViewLg-before{position:relative;}.edu-iconActivityViewLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityViewLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-32px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityViewLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityViewLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityViewLg-after{position:relative;}.edu-iconActivityViewLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityViewLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-32px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityViewLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityViewLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityReplyLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-96px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityReplyLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityReplyLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityReplyLg-before{position:relative;}.edu-iconActivityReplyLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityReplyLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-96px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityReplyLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityReplyLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityReplyLg-after{position:relative;}.edu-iconActivityReplyLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityReplyLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-96px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityReplyLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityReplyLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityLikeLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-128px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityLikeLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityLikeLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityLikeLg-before{position:relative;}.edu-iconActivityLikeLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityLikeLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-128px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityLikeLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityLikeLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityLikeLg-after{position:relative;}.edu-iconActivityLikeLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityLikeLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-128px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityLikeLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityLikeLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityDiscussionLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-160px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityDiscussionLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityDiscussionLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityDiscussionLg-before{position:relative;}.edu-iconActivityDiscussionLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityDiscussionLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-160px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityDiscussionLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityDiscussionLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityDiscussionLg-after{position:relative;}.edu-iconActivityDiscussionLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityDiscussionLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-160px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityDiscussionLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityDiscussionLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityArticleLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-224px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityArticleLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityArticleLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityArticleLg-before{position:relative;}.edu-iconActivityArticleLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityArticleLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-224px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityArticleLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityArticleLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityArticleLg-after{position:relative;}.edu-iconActivityArticleLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityArticleLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-224px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityArticleLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityArticleLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityBlogLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-192px -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityBlogLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityBlogLg-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityBlogLg-before{position:relative;}.edu-iconActivityBlogLg-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityBlogLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-192px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityBlogLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityBlogLg-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityBlogLg-after{position:relative;}.edu-iconActivityBlogLg-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityBlogLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-192px -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityBlogLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityBlogLg-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityShareGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-175px -256px;width:21px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityShareGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityShareGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityShareGray-before{position:relative;}.edu-iconActivityShareGray-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityShareGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-175px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityShareGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityShareGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityShareGray-after{position:relative;}.edu-iconActivityShareGray-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityShareGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-175px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityShareGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityShareGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityLikeGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-196px -256px;width:21px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityLikeGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityLikeGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityLikeGray-before{position:relative;}.edu-iconActivityLikeGray-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityLikeGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-196px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityLikeGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityLikeGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityLikeGray-after{position:relative;}.edu-iconActivityLikeGray-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityLikeGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-196px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityLikeGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityLikeGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityViewGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-154px -256px;width:21px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityViewGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityViewGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityViewGray-before{position:relative;}.edu-iconActivityViewGray-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityViewGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-154px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityViewGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityViewGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityViewGray-after{position:relative;}.edu-iconActivityViewGray-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityViewGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-154px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityViewGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityViewGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityDiscussionGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-217px -256px;width:21px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityDiscussionGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityDiscussionGray-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityDiscussionGray-before{position:relative;}.edu-iconActivityDiscussionGray-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityDiscussionGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-217px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityDiscussionGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityDiscussionGray-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityDiscussionGray-after{position:relative;}.edu-iconActivityDiscussionGray-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityDiscussionGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-217px -256px;width:21px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconActivityDiscussionGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconActivityDiscussionGray-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconActivityCommentsGray-link a{display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}.edu-iconActivityCommentsGray-before{position:relative;}.edu-iconActivityCommentsGray-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconActivityCommentsGray-after{position:relative;}.edu-iconActivityCommentsGray-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleWatch-before{position:relative;}.edu-titleWatch-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleWatch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-95px -166px;width:32px;height:32px;background-color:#666;background-color:#d95827;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleWatch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleWatch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleWatch-after{position:relative;}.edu-titleWatch-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleWatch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-95px -166px;width:32px;height:32px;background-color:#666;background-color:#d95827;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleWatch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleWatch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleDiscussion-before{position:relative;}.edu-titleDiscussion-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-127px -166px;width:32px;height:32px;background-color:#666;background-color:#09f;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleDiscussion-after{position:relative;}.edu-titleDiscussion-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-127px -166px;width:32px;height:32px;background-color:#666;background-color:#09f;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleBrowse-before{position:relative;}.edu-titleBrowse-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleBrowse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-159px -166px;width:32px;height:32px;background-color:#666;background-color:#8ba021;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleBrowse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleBrowse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleBrowse-after{position:relative;}.edu-titleBrowse-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleBrowse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-159px -166px;width:32px;height:32px;background-color:#666;background-color:#8ba021;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleBrowse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleBrowse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleResource-before{position:relative;}.edu-titleResource-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleResource-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:5px -301px;width:32px;height:32px;background-color:#666;background-color:#F01278;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleResource-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleResource-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-titleResource-after{position:relative;}.edu-titleResource-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-titleResource-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:5px -301px;width:32px;height:32px;background-color:#666;background-color:#F01278;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-titleResource-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-titleResource-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkMessage-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -97px;width:24px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkMessage-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkMessage-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkMessage-before{position:relative;}.edu-linkMessage-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkMessage-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -97px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkMessage-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkMessage-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkMessage-after{position:relative;}.edu-linkMessage-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkMessage-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -97px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkMessage-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkMessage-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRules-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -49px;width:24px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRules-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRules-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRules-before{position:relative;}.edu-linkRules-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkRules-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -49px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRules-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRules-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRules-after{position:relative;}.edu-linkRules-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkRules-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -49px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRules-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRules-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExternal-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -18px;width:19px;height:15px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExternal-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExternal-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExternal-before{position:relative;}.edu-linkExternal-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkExternal-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -18px;width:19px;height:15px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExternal-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExternal-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExternal-after{position:relative;}.edu-linkExternal-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkExternal-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -18px;width:19px;height:15px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExternal-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExternal-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkSettings-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -25px;width:24px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkSettings-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkSettings-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkSettings-before{position:relative;}.edu-linkSettings-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkSettings-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -25px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkSettings-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkSettings-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkSettings-after{position:relative;}.edu-linkSettings-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkSettings-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -25px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkSettings-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkSettings-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkInfo-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-175px -228px;width:22px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkInfo-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkInfo-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkInfo-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px -228px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkInfo-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkInfo-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkInfo-before{position:relative;}.edu-linkInfo-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkInfo-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-175px -228px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkInfo-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkInfo-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkInfo-after{position:relative;}.edu-linkInfo-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkInfo-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-175px -228px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkInfo-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkInfo-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkMore-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -121px;width:17px;height:9px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkMore-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkMore-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkMore-before{position:relative;}.edu-linkMore-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkMore-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -121px;width:17px;height:9px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkMore-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkMore-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkMore-after{position:relative;}.edu-linkMore-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkMore-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -121px;width:17px;height:9px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkMore-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkMore-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEdit-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -145px;width:24px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEdit-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEdit-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEdit-before{position:relative;}.edu-linkEdit-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkEdit-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -145px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEdit-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEdit-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEdit-after{position:relative;}.edu-linkEdit-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkEdit-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -145px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEdit-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEdit-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkReset-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -73px;width:24px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkReset-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkReset-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkReset-before{position:relative;}.edu-linkReset-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkReset-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -73px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkReset-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkReset-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkReset-after{position:relative;}.edu-linkReset-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkReset-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -73px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkReset-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkReset-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSS-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px 0;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSS-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSS-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSS-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-193px -136px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSS-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSS-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSS-before{position:relative;}.edu-linkRSS-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkRSS-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px 0;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSS-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSS-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSS-after{position:relative;}.edu-linkRSS-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkRSS-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px 0;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSS-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSS-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSSAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-191px -166px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSSAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSSAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSSAlt-before{position:relative;}.edu-linkRSSAlt-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkRSSAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-191px -166px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSSAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSSAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkRSSAlt-after{position:relative;}.edu-linkRSSAlt-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkRSSAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-191px -166px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkRSSAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkRSSAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEmbed-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -256px;width:22px;height:19px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEmbed-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEmbed-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEmbed-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-66px -256px;width:22px;height:21px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEmbed-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEmbed-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEmbed-before{position:relative;}.edu-linkEmbed-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkEmbed-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -256px;width:22px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEmbed-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEmbed-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkEmbed-after{position:relative;}.edu-linkEmbed-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkEmbed-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -256px;width:22px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkEmbed-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkEmbed-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -40px;width:22px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownload-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px 0;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownload-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownload-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownload-before{position:relative;}.edu-linkDownload-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -40px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownload-after{position:relative;}.edu-linkDownload-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -40px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownloadAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -20px;width:22px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownloadAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownloadAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownloadAlt-before{position:relative;}.edu-linkDownloadAlt-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkDownloadAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -20px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownloadAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownloadAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDownloadAlt-after{position:relative;}.edu-linkDownloadAlt-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkDownloadAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -20px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDownloadAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDownloadAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscript-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -162px;width:13px;height:16px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscript-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscript-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscript-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -130px;width:13px;height:16px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscript-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscript-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscript-before{position:relative;}.edu-iconVideoTranscript-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoTranscript-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -162px;width:13px;height:16px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscript-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscript-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscript-after{position:relative;}.edu-iconVideoTranscript-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoTranscript-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -162px;width:13px;height:16px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscript-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscript-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscriptDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -70px;width:19px;height:19px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscriptDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscriptDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscriptDownload-before{position:relative;}.edu-iconVideoTranscriptDownload-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoTranscriptDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -70px;width:19px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscriptDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscriptDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoTranscriptDownload-after{position:relative;}.edu-iconVideoTranscriptDownload-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoTranscriptDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -70px;width:19px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoTranscriptDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoTranscriptDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -89px;width:19px;height:19px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoDownload-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoDownload-before{position:relative;}.edu-iconVideoDownload-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -89px;width:19px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoDownload-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoDownload-after{position:relative;}.edu-iconVideoDownload-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -89px;width:19px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoDownload-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoView-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -51px;width:19px;height:19px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoView-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoView-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoView-before{position:relative;}.edu-iconVideoView-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoView-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -51px;width:19px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoView-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoView-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoView-after{position:relative;}.edu-iconVideoView-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoView-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -51px;width:19px;height:19px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoView-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoView-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoEmbedAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -118px;width:22px;height:20px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoEmbedAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoEmbedAlt-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoEmbedAlt-before{position:relative;}.edu-iconVideoEmbedAlt-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoEmbedAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -118px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoEmbedAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoEmbedAlt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoEmbedAlt-after{position:relative;}.edu-iconVideoEmbedAlt-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoEmbedAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -118px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoEmbedAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoEmbedAlt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoPlay-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-57px -228px;width:26px;height:26px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoPlay-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoPlay-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoPlay-before{position:relative;}.edu-iconVideoPlay-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoPlay-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-57px -228px;width:26px;height:26px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoPlay-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoPlay-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoPlay-after{position:relative;}.edu-iconVideoPlay-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoPlay-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-57px -228px;width:26px;height:26px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoPlay-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoPlay-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconMyProfileVideo-before{position:relative;}.edu-iconMyProfileVideo-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconMyProfileVideo-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconMyProfileVideo-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconMyProfileVideo-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconMyProfileVideo-after{position:relative;}.edu-iconMyProfileVideo-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconMyProfileVideo-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -200px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconMyProfileVideo-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconMyProfileVideo-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconMyProfileVideo-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -200px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconMyProfileVideo-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconMyProfileVideo-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoUse-before{position:relative;}.edu-iconVideoUse-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoUse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -228px;width:29px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoUse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoUse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoUse-after{position:relative;}.edu-iconVideoUse-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconVideoUse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -228px;width:29px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoUse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoUse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconVideoUse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -228px;width:29px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconVideoUse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconVideoUse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollow-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -84px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollow-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollow-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollow-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -28px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollow-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollow-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollow-before{position:relative;}.edu-linkFollow-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkFollow-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -84px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollow-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollow-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollow-after{position:relative;}.edu-linkFollow-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkFollow-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -84px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollow-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollow-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollowText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-66px -60px;width:66px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollowText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollowText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollowText-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -60px;width:66px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollowText-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollowText-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollowText-before{position:relative;}.edu-linkFollowText-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkFollowText-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-66px -60px;width:66px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollowText-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollowText-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollowText-after{position:relative;}.edu-linkFollowText-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkFollowText-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-66px -60px;width:66px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollowText-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollowText-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFollowingText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-66px -32px;width:66px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFollowingText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFollowingText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkUnfollowText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -32px;width:66px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkUnfollowText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkUnfollowText-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFlag-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-44px -256px;width:22px;height:22px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFlag-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFlag-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFlag-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -256px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFlag-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFlag-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFlag-before{position:relative;}.edu-linkFlag-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkFlag-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-44px -256px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFlag-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFlag-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkFlag-after{position:relative;}.edu-linkFlag-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkFlag-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-44px -256px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkFlag-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkFlag-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -168px;width:32px;height:28px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkBookmark-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -112px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkBookmark-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkBookmark-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkBookmark-before{position:relative;}.edu-linkBookmark-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -168px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkBookmark-after{position:relative;}.edu-linkBookmark-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-227px -168px;width:32px;height:28px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkLike-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -228px;width:22px;height:22px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkLike-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkLike-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkLike-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -211px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkLike-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkLike-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkLike-before{position:relative;}.edu-linkLike-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkLike-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -228px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkLike-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkLike-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkLike-after{position:relative;}.edu-linkLike-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkLike-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -228px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkLike-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkLike-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFollow-link a{display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}.edu-iconFollow-before{position:relative;}.edu-iconFollow-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFollow-after{position:relative;}.edu-iconFollow-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -200px;width:12px;height:13px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconBookmark-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconBookmark-before{position:relative;}.edu-iconBookmark-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -200px;width:12px;height:13px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconBookmark-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconBookmark-after{position:relative;}.edu-iconBookmark-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -200px;width:12px;height:13px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconBookmark-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFlag-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -190px;width:24px;height:21px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFlag-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFlag-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFlag-before{position:relative;}.edu-iconFlag-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFlag-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -190px;width:24px;height:21px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFlag-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFlag-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFlag-after{position:relative;}.edu-iconFlag-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFlag-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -190px;width:24px;height:21px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFlag-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFlag-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLike-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -169px;width:24px;height:21px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLike-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLike-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLike-before{position:relative;}.edu-iconLike-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconLike-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -169px;width:24px;height:21px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLike-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLike-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconLike-after{position:relative;}.edu-iconLike-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconLike-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -169px;width:24px;height:21px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconLike-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconLike-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExpand-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-219px -228px;width:22px;height:11px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExpand-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExpand-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExpand-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-197px -228px;width:22px;height:11px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExpand-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExpand-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExpand-before{position:relative;}.edu-linkExpand-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkExpand-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-219px -228px;width:22px;height:11px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExpand-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExpand-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkExpand-after{position:relative;}.edu-linkExpand-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkExpand-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-219px -228px;width:22px;height:11px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkExpand-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkExpand-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkCollapse-before{position:relative;}.edu-linkCollapse-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkCollapse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -71px;width:22px;height:11px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkCollapse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkCollapse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkCollapse-after{position:relative;}.edu-linkCollapse-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkCollapse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -71px;width:22px;height:11px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkCollapse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkCollapse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkCollapse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -71px;width:22px;height:11px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkCollapse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkCollapse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkCollapse-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -60px;width:22px;height:11px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkCollapse-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkCollapse-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkJoinDiscussion-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -121px;width:24px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkJoinDiscussion-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkJoinDiscussion-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkJoinDiscussion-before{position:relative;}.edu-linkJoinDiscussion-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkJoinDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -121px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkJoinDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkJoinDiscussion-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkJoinDiscussion-after{position:relative;}.edu-linkJoinDiscussion-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkJoinDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px -121px;width:24px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkJoinDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkJoinDiscussion-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDiscussionAdd-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -33px;width:19px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDiscussionAdd-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDiscussionAdd-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDiscussionAdd-before{position:relative;}.edu-linkDiscussionAdd-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkDiscussionAdd-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -33px;width:19px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDiscussionAdd-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDiscussionAdd-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-linkDiscussionAdd-after{position:relative;}.edu-linkDiscussionAdd-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-linkDiscussionAdd-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -33px;width:19px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-linkDiscussionAdd-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-linkDiscussionAdd-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconCheck-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -190px;width:13px;height:10px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconCheck-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconCheck-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconCheck-before{position:relative;}.edu-iconCheck-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconCheck-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -190px;width:13px;height:10px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconCheck-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconCheck-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconCheck-after{position:relative;}.edu-iconCheck-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconCheck-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -190px;width:13px;height:10px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconCheck-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconCheck-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badge{display:inline-block;clear:none;position:relative;height:18px;border-color:#333;border-style:solid;border-width:1px 0;}.edu-badge:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badge:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badge,.edu-badge *{font-family:Arial,Verdana,sans-serif;font-weight:bold;font-size:13px;letter-spacing:0.06em;line-height:17px;text-transform:uppercase;vertical-align:top;}.edu-badge:before{border-radius:3px 0 0 3px;display:inline-block;top:-3px;left:-3px;}.edu-badge:after{display:inline-block;top:-2px;right:-2px;}.edu-badge .year{color:#6a6a6a;}.edu-badgeBlogger-inline{display:inline-block;clear:none;position:relative;height:18px;border-color:#333;border-style:solid;border-width:1px 0;border-color:#09f;color:#09f;}.edu-badgeBlogger-inline:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeBlogger-inline:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeBlogger-inline,.edu-badgeBlogger-inline *{font-family:Arial,Verdana,sans-serif;font-weight:bold;font-size:13px;letter-spacing:0.06em;line-height:17px;text-transform:uppercase;vertical-align:top;}.edu-badgeBlogger-inline:before{border-radius:3px 0 0 3px;display:inline-block;top:-3px;left:-3px;}.edu-badgeBlogger-inline:after{display:inline-block;top:-2px;right:-2px;}.edu-badgeBlogger-inline .year{color:#6a6a6a;}.edu-badgeBlogger-inline:before{background-color:#09f;background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-110px -278px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeBlogger-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeBlogger-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeBlogger-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-306px -22px;width:7px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeBlogger-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeBlogger-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeStaff-inline{display:inline-block;clear:none;position:relative;height:18px;border-color:#333;border-style:solid;border-width:1px 0;border-color:#f7931e;color:#f7931e;}.edu-badgeStaff-inline:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeStaff-inline:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeStaff-inline,.edu-badgeStaff-inline *{font-family:Arial,Verdana,sans-serif;font-weight:bold;font-size:13px;letter-spacing:0.06em;line-height:17px;text-transform:uppercase;vertical-align:top;}.edu-badgeStaff-inline:before{border-radius:3px 0 0 3px;display:inline-block;top:-3px;left:-3px;}.edu-badgeStaff-inline:after{display:inline-block;top:-2px;right:-2px;}.edu-badgeStaff-inline .year{color:#6a6a6a;}.edu-badgeStaff-inline:before{background-color:#f7931e;background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-44px -278px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeStaff-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeStaff-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeStaff-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-174px -126px;width:7px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeStaff-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeStaff-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeExpert-inline{display:inline-block;clear:none;position:relative;height:18px;border-color:#333;border-style:solid;border-width:1px 0;border-color:#db581f;color:#db581f;}.edu-badgeExpert-inline:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeExpert-inline:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeExpert-inline,.edu-badgeExpert-inline *{font-family:Arial,Verdana,sans-serif;font-weight:bold;font-size:13px;letter-spacing:0.06em;line-height:17px;text-transform:uppercase;vertical-align:top;}.edu-badgeExpert-inline:before{border-radius:3px 0 0 3px;display:inline-block;top:-3px;left:-3px;}.edu-badgeExpert-inline:after{display:inline-block;top:-2px;right:-2px;}.edu-badgeExpert-inline .year{color:#6a6a6a;}.edu-badgeExpert-inline:before{background-color:#db581f;background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-88px -278px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeExpert-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeExpert-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeExpert-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-306px 0;width:7px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeExpert-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeExpert-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeFacilitator-inline{display:inline-block;clear:none;position:relative;height:18px;border-color:#333;border-style:solid;border-width:1px 0;border-color:#8ba021;color:#8ba021;}.edu-badgeFacilitator-inline:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeFacilitator-inline:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgeFacilitator-inline,.edu-badgeFacilitator-inline *{font-family:Arial,Verdana,sans-serif;font-weight:bold;font-size:13px;letter-spacing:0.06em;line-height:17px;text-transform:uppercase;vertical-align:top;}.edu-badgeFacilitator-inline:before{border-radius:3px 0 0 3px;display:inline-block;top:-3px;left:-3px;}.edu-badgeFacilitator-inline:after{display:inline-block;top:-2px;right:-2px;}.edu-badgeFacilitator-inline .year{color:#6a6a6a;}.edu-badgeFacilitator-inline:before{background-color:#8ba021;background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-66px -278px;width:22px;height:20px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeFacilitator-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeFacilitator-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgeFacilitator-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-181px -126px;width:7px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgeFacilitator-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgeFacilitator-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePick-inline{display:inline-block;clear:none;position:relative;height:18px;border-color:#333;border-style:solid;border-width:1px 0;border-color:#f7931e;color:#f7931e;}.edu-badgePick-inline:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgePick-inline:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgePick-inline,.edu-badgePick-inline *{font-family:Arial,Verdana,sans-serif;font-weight:bold;font-size:13px;letter-spacing:0.06em;line-height:17px;text-transform:uppercase;vertical-align:top;}.edu-badgePick-inline:before{border-radius:3px 0 0 3px;display:inline-block;top:-3px;left:-3px;}.edu-badgePick-inline:after{display:inline-block;top:-2px;right:-2px;}.edu-badgePick-inline .year{color:#6a6a6a;}.edu-badgePick-inline:before{background-color:#fff;border-color:#f7931e;border-style:solid;border-width:1px 0 1px 1px;background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-132px -256px;width:22px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePick-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePick-inline:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePick-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-174px -126px;width:7px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePick-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePick-inline:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePickHorz-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -88px;width:53px;height:38px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePickHorz-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePickHorz-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePickHorz-before{position:relative;}.edu-badgePickHorz-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgePickHorz-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -88px;width:53px;height:38px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePickHorz-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePickHorz-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePickHorz-after{position:relative;}.edu-badgePickHorz-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgePickHorz-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -88px;width:53px;height:38px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePickHorz-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePickHorz-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePickVert-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-68px -166px;width:27px;height:34px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePickVert-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePickVert-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePickVert-before{position:relative;}.edu-badgePickVert-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgePickVert-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-68px -166px;width:27px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePickVert-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePickVert-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-badgePickVert-after{position:relative;}.edu-badgePickVert-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-badgePickVert-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-68px -166px;width:27px;height:34px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-badgePickVert-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-badgePickVert-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPickHorz-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -108px;width:18px;height:13px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPickHorz-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPickHorz-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPickHorz-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -108px;width:18px;height:13px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPickHorz-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPickHorz-link a:hover{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPickHorz-before{position:relative;}.edu-iconPickHorz-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconPickHorz-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -108px;width:18px;height:13px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPickHorz-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPickHorz-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconPickHorz-after{position:relative;}.edu-iconPickHorz-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconPickHorz-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -108px;width:18px;height:13px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconPickHorz-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconPickHorz-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarShare-before{position:relative;}.edu-iconShareBarShare-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarShare-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px 0;width:20px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarShare-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarShare-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarShare-after{position:relative;}.edu-iconShareBarShare-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarShare-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px 0;width:20px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarShare-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarShare-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarShare-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px 0;width:20px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarShare-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarShare-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarComments-before{position:relative;}.edu-iconShareBarComments-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarComments-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-83px -228px;width:26px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarComments-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarComments-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarComments-after{position:relative;}.edu-iconShareBarComments-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarComments-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-83px -228px;width:26px;height:24px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarComments-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarComments-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarComments-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-83px -228px;width:26px;height:24px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarComments-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarComments-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarEmail-before{position:relative;}.edu-iconShareBarEmail-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarEmail-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-258px -256px;width:20px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarEmail-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarEmail-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarEmail-after{position:relative;}.edu-iconShareBarEmail-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarEmail-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-258px -256px;width:20px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarEmail-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarEmail-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarEmail-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-258px -256px;width:20px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarEmail-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarEmail-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarPrint-before{position:relative;}.edu-iconShareBarPrint-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarPrint-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-238px -256px;width:20px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarPrint-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarPrint-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarPrint-after{position:relative;}.edu-iconShareBarPrint-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconShareBarPrint-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-238px -256px;width:20px;height:18px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarPrint-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarPrint-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconShareBarPrint-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-238px -256px;width:20px;height:18px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconShareBarPrint-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconShareBarPrint-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pullquote-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -126px;width:38px;height:40px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pullquote-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pullquote-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pullquote-before{position:relative;}.edu-pullquote-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-pullquote-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -126px;width:38px;height:40px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pullquote-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pullquote-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pullquote-after{position:relative;}.edu-pullquote-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-pullquote-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -126px;width:38px;height:40px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pullquote-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pullquote-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSearch-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px 0;width:25px;height:25px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSearch-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSearch-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSearch-before{position:relative;}.edu-iconSearch-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSearch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px 0;width:25px;height:25px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSearch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSearch-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconSearch-after{position:relative;}.edu-iconSearch-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconSearch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-259px 0;width:25px;height:25px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconSearch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconSearch-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pgRt-before{position:relative;}.edu-pgRt-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-pgRt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -158px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pgRt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pgRt-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pgRt-after{position:relative;}.edu-pgRt-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-pgRt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -158px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pgRt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pgRt-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pgLft-before{position:relative;}.edu-pgLft-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-pgLft-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -180px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pgLft-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pgLft-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-pgLft-after{position:relative;}.edu-pgLft-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-pgLft-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -180px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-pgLft-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-pgLft-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFilterExpand-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-324px -213px;width:9px;height:10px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFilterExpand-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFilterExpand-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFilterExpand-before{position:relative;}.edu-iconFilterExpand-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFilterExpand-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-324px -213px;width:9px;height:10px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFilterExpand-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFilterExpand-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFilterExpand-after{position:relative;}.edu-iconFilterExpand-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFilterExpand-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-324px -213px;width:9px;height:10px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFilterExpand-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFilterExpand-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFilterCollapse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-324px -224px;width:9px;height:9px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFilterCollapse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFilterCollapse-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFilterCollapse-before{position:relative;}.edu-iconFilterCollapse-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFilterCollapse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-324px -224px;width:9px;height:9px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFilterCollapse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFilterCollapse-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconFilterCollapse-after{position:relative;}.edu-iconFilterCollapse-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconFilterCollapse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-324px -224px;width:9px;height:9px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconFilterCollapse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconFilterCollapse-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-dialoguePointerBot-wrapper{position:relative;margin-bottom:13px;}.edu-dialoguePointerBot-dialogue{background-color:#808284;color:#fff;text-align:center;padding:10px;margin-bottom:7px;position:relative;}.edu-dialoguePointerBot-dialogue:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-dialoguePointerBot-dialogue:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -246px;width:11px;height:7px;margin:0;left:50%;position:absolute;bottom:-6px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-dialoguePointerBot-dialogue:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-dialoguePointerBot-dialogue:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-dialoguePointerBot-label{text-align:center;}.edu-iconArrowWhiteDown-before{position:relative;}.edu-iconArrowWhiteDown-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowWhiteDown-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -246px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteDown-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteDown-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteDown-after{position:relative;}.edu-iconArrowWhiteDown-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowWhiteDown-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -246px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteDown-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteDown-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteDown-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -246px;width:22px;height:22px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteDown-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteDown-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteLeft-before{position:relative;}.edu-iconArrowWhiteLeft-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowWhiteLeft-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -224px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteLeft-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteLeft-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteLeft-after{position:relative;}.edu-iconArrowWhiteLeft-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowWhiteLeft-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -224px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteLeft-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteLeft-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteLeft-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -224px;width:22px;height:22px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteLeft-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteLeft-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteRight-before{position:relative;}.edu-iconArrowWhiteRight-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowWhiteRight-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -202px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteRight-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteRight-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteRight-after{position:relative;}.edu-iconArrowWhiteRight-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowWhiteRight-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -202px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteRight-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteRight-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowWhiteRight-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -202px;width:22px;height:22px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowWhiteRight-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowWhiteRight-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowDown-before{position:relative;}.edu-iconArrowDown-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowDown-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -278px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowDown-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowDown-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowDown-after{position:relative;}.edu-iconArrowDown-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconArrowDown-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -278px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowDown-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowDown-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconArrowDown-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:0 -278px;width:22px;height:22px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconArrowDown-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconArrowDown-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconNotSignedIn-before{position:relative;}.edu-iconNotSignedIn-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconNotSignedIn-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px 0;width:62px;height:62px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconNotSignedIn-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconNotSignedIn-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconNotSignedIn-after{position:relative;}.edu-iconNotSignedIn-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconNotSignedIn-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px 0;width:62px;height:62px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconNotSignedIn-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconNotSignedIn-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconNotSignedIn-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-131px 0;width:62px;height:62px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconNotSignedIn-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconNotSignedIn-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconEmailNav-before{position:relative;}.edu-iconEmailNav-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconEmailNav-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -178px;width:15px;height:12px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconEmailNav-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconEmailNav-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconEmailNav-after{position:relative;}.edu-iconEmailNav-after:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconEmailNav-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -178px;width:15px;height:12px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconEmailNav-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconEmailNav-after:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconEmailNav-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -178px;width:15px;height:12px;display:inline-block;clear:none;overflow:hidden;text-indent:-999em;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconEmailNav-link a{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconEmailNav-link a{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconBulletBrackets-before{position:relative;}.edu-iconBulletBrackets-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconBulletBrackets-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-313px -253px;width:10px;height:10px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){.edu-iconBulletBrackets-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){.edu-iconBulletBrackets-before:before{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}.edu-iconDisscussTitle-before{position:relative;}.edu-iconDisscussTitle-before:before{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}.edu-iconDisscussTitle-before:before{background-position:0 0;width:131px;height:32px;}.caption{color:#6a6a6a;font-family:Georgia,Times New Roman,serif;font-size:12px;font-style:italic;font-weight:normal;line-height:18px;}.timestamp{color:#6a6a6a;font-family:Georgia,Times New Roman,serif;font-size:11px;font-style:normal;font-weight:normal;letter-spacing:1px;line-height:15px;}.timestamp a{color:#6a6a6a;text-decoration:underline;}.timestamp a:hover,.timestamp a:active{color:#0099ff;}.pullQuote{color:#6a6a6a;font-family:Georgia,Times New Roman,serif;font-size:18px;font-style:italic;font-weight:normal;line-height:24px;padding:0;}.bodyCopy{color:#000000;font-family:Arial,Verdana,sans-serif;font-size:13px;font-weight:normal;line-height:20px;margin:0 0 10px;}.teaser{border-bottom:1px dotted #6a6a6a;border-top:1px dotted #6a6a6a;color:#6a6a6a;font-family:Arial,Verdana,sans-serif;font-size:13px;line-height:16px;margin:0 0 20px;padding:20px 0;}.teaser p:last-child{margin:0;}.stats{color:#6a6a6a;font-family:Georgia,Times New Roman,serif;font-size:11px;line-height:1;}.sidebarHeader{font-family:MuseoSlab-500,"Arial Narrow",Arial,Helvetica,sans-serif;font-size:13px;font-weight:bold;line-height:17px;}.defaultText{color:#6a6a6a;font-family:Georgia,Times New Roman,serif;font-size:13px;line-height:16px;font-weight:normal;font-style:italic;}.boldIntroText{color:#6a6a6a;font-weight:bold;}.borderStripeTop{border-top:5px solid transparent;border-left:0;border-right:0;border-bottom:0;border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 0 0 repeat;-moz-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 0 0 repeat;-webkit-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 0 0 repeat;-o-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 0 0 repeat;}.borderStripeBottom{border-bottom:5px solid transparent;border-left:0;border-right:0;border-top:0;border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 0 0 5 0 repeat;-moz-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 0 0 5 0 repeat;-webkit-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 0 0 5 0 repeat;-o-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 0 0 5 0 repeat;}.borderStripeTopBottom{border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:0;border-right:0;border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 5 0 repeat;-moz-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 5 0 repeat;-webkit-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 5 0 repeat;-o-border-image:url(/sites/all/themes/edutopia/images/border-stripe.png) 5 0 5 0 repeat;}.pillTag{background:#e0e0e0;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;color:#6a6a6a;font-family:Arial,Verdana,sans-serif;font-size:12px;line-height:15px;padding:6px 10px;}.pillTag:hover{background:#a0e1fc;}.pillTag a{color:#6a6a6a;}.pillTag a:hover{background:#a0e1fc;color:#0099ff;text-decoration:none;}a.pillTag{background:#e0e0e0;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;color:#6a6a6a;font-family:Arial,Verdana,sans-serif;font-size:12px;line-height:15px;padding:6px 10px;}a.pillTag:hover{background:#a0e1fc;}a.pillTag a{color:#6a6a6a;}a.pillTag a:hover{background:#a0e1fc;color:#0099ff;text-decoration:none;}a.pillTag:hover{background:#a0e1fc;color:#0099ff;text-decoration:none;}.edutopia-button{color:#fff;border:none;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;font-size:15px;font-weight:bold;padding:8px 20px;margin-right:1em;}.edutopia-button:hover{background:#000000;}.blue-button{background:#0099ff;color:#fff;border:none;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;font-size:15px;font-weight:bold;padding:8px 20px;margin-right:1em;}.blue-button:hover{background:#000000;}#aboutus .pane-menu-menu-about-us,#aboutus .pane-menu-menu-about-us-section{background:#818285;padding-bottom:1px;max-width:502px;margin-bottom:20px;}#aboutus .pane-menu-menu-about-us h2.pane-title,#aboutus .pane-menu-menu-about-us-section h2.pane-title{font-family:Arial,Verdana,sans-serif;background:#000000;color:#ffffff;margin:0 !important;padding:5px 10px;border-bottom:2px solid white;}#aboutus .pane-menu-menu-about-us .pane-content,#aboutus .pane-menu-menu-about-us-section .pane-content{margin:10px;background:#ffffff;}#aboutus .pane-menu-menu-about-us .pane-content ul,#aboutus .pane-menu-menu-about-us-section .pane-content ul{padding:5px 0;margin:5px;}#aboutus .pane-menu-menu-about-us .pane-content ul li,#aboutus .pane-menu-menu-about-us-section .pane-content ul li{padding:0;margin:0;list-style-image:none;list-style-type:none;}#aboutus .pane-menu-menu-about-us .pane-content ul li a,#aboutus .pane-menu-menu-about-us-section .pane-content ul li a{color:#000000;padding:10px 5px 5px 5px;display:block;border-bottom:1px dotted #000000;}#aboutus .pane-menu-menu-about-us .pane-content ul li a:hover,#aboutus .pane-menu-menu-about-us-section .pane-content ul li a:hover{background:#e0e0e0;}#aboutus .pane-menu-menu-about-us .pane-content ul li a.active-trail,#aboutus .pane-menu-menu-about-us-section .pane-content ul li a.active-trail{background:#e0e0e0;}#aboutus .pane-menu-menu-about-us .pane-content ul li > .menu,#aboutus .pane-menu-menu-about-us-section .pane-content ul li > .menu{display:none;}#aboutus .pane-menu-menu-about-us .pane-content ul li.last a,#aboutus .pane-menu-menu-about-us-section .pane-content ul li.last a{border-bottom:none;}#aboutus #socialtools{margin:12px 0;}#aboutus #socialtools .inner{border:none;}#aboutus .about-eyebrow{padding-top:0;margin:0 10px 0 21px;}@media screen and (max-width:580px){#aboutus .about-eyebrow{margin:0 10px 0 1px;}}#aboutus .pane-landing-header{padding:5px 10px 0 10px;}#aboutus .pane-landing-header .page-title{padding-top:0;}#aboutus .pane-landing-header .pane-content{padding:0;}@media screen and (max-width:580px){#aboutus .pane-landing-header{padding:5px 0 0;}}#aboutus .block-webform,#aboutus #block-edu-share-share-general{margin:0 0 20px 20px;}@media screen and (max-width:580px){#aboutus .block-webform,#aboutus #block-edu-share-share-general{margin:0;}}#aboutus #block-edu-share-share-general{margin:0 5px 20px 30px;}@media screen and (max-width:580px){#aboutus #block-edu-share-share-general{margin:20px 5px 20px 20px !important;}}.about-us-node .pane-node-content p,.about-us-node .pane-node-content li{font-size:16px;line-height:24px;margin-bottom:1em;}.about-us-node .pane-node-content li{margin-bottom:.5em;}.about-us-node .pane-node-content p,.about-us-node .pane-node-content ul,.about-us-node .pane-node-content h2,.about-us-node .pane-node-content blockquote{margin-left:auto;margin-right:auto;width:70%;}@media screen and (max-width:768px){.about-us-node .pane-node-content p,.about-us-node .pane-node-content ul,.about-us-node .pane-node-content h2,.about-us-node .pane-node-content blockquote{width:100%;}}.about-us-node .pane-node-content p a.big,.about-us-node .pane-node-content ul a.big,.about-us-node .pane-node-content h2 a.big,.about-us-node .pane-node-content blockquote a.big{display:block;font-family:MuseoSlab-500,"Arial Narrow",Arial,Helvetica,sans-serif;font-size:20px;text-align:center;color:#0099ff;text-decoration:underline;}.about-us-node .pane-node-content p a.big:after,.about-us-node .pane-node-content ul a.big:after,.about-us-node .pane-node-content h2 a.big:after,.about-us-node .pane-node-content blockquote a.big:after{font-size:18px;margin-left:6px;content:"";text-decoration:none !important;}.about-us-node .pane-node-content p a.big:visited,.about-us-node .pane-node-content ul a.big:visited,.about-us-node .pane-node-content h2 a.big:visited,.about-us-node .pane-node-content blockquote a.big:visited{color:#0099ff;}@media screen and (max-width:768px){.about-us-node .pane-node-content blockquote{width:95%;}}.about-us-node .pane-node-content .node-webform form{margin:0 55px;}.about-us-node .pane-node-content .left-col{float:left;width:49%;}.about-us-node .pane-node-content .right-col{float:right;width:49%;}@media screen and (max-width:768px){.about-us-node .pane-node-content .left-col,.about-us-node .pane-node-content .right-col{float:none;width:auto;}}.about-us-node .pane-node-content h2{margin-top:0;margin-bottom:1em;}.about-us-node .pane-node-content ul > ul{width:100%;}.about-us-node .pane-node-content blockquote{background-color:#ffffff;padding:15px;margin:0 auto;font-family:Georgia,Times New Roman,serif;font-size:16px;color:#7a7b7e;-webkit-box-shadow:0px 0px 7px 2px #eeeeee;-moz-box-shadow:0px 0px 7px 2px #eeeeee;box-shadow:0px 0px 7px 2px #eeeeee;}.about-us-node .pane-node-content blockquote span{font-family:Arial,Verdana,sans-serif;display:block;text-align:right;text-transform:uppercase;color:#7a7b7e;font-size:12px;font-style:normal;}.about-us-node .pane-node-content .row{width:85%;margin:0 auto 2em auto;}@media screen and (max-width:580px){.about-us-node .pane-node-content .row{width:100%;}}.about-us-node .pane-node-content .row:after{content:"";display:table;clear:both;}.about-us-node .pane-node-content .col{float:left;text-align:center;}@media screen and (max-width:580px){.about-us-node .pane-node-content .col{float:none;margin:10px 0;}}.about-us-node .pane-node-content .col p,.about-us-node .pane-node-content .col h2,.about-us-node .pane-node-content .col h4,.about-us-node .pane-node-content .col ul{margin:15px 15px 10px 15px;width:auto;text-align:left;}.about-us-node .pane-node-content .col .inner{background:#f2f0f0;margin:0px 10px 10px 10px;padding:10px 20px;box-shadow:1px 2px 3px 1px rgba(0,0,0,0.2);-moz-box-shadow:1px 2px 3px 1px rgba(0,0,0,0.2);-webkit-box-shadow:1px 2px 3px 1px rgba(0,0,0,0.2);}@media screen and (max-width:580px){.about-us-node .pane-node-content .col .inner{margin:0 0 10px 0;padding:10px;}}.about-us-node .pane-node-content .col .inner h2{text-align:center;}.about-us-node .pane-node-content .white-box{margin-bottom:1em;}.about-us-node .pane-node-content .white-box .image{width:33%;float:left;}.about-us-node .pane-node-content .white-box .image img{margin-top:10px;width:100%;height:auto;max-width:100%;}@media screen and (max-width:580px){.about-us-node .pane-node-content .white-box .image{width:auto;}.about-us-node .pane-node-content .white-box .image img{margin-top:0;}}.about-us-node .pane-node-content .white-box .content{width:60%;float:left;margin-left:1%;}@media screen and (max-width:580px){.about-us-node .pane-node-content .white-box .content{width:auto;margin-left:0;}}.about-us-node .pane-node-content .white-box .content h2{text-align:left;margin-top:10px;}.about-us-node .pane-node-content .white-box .inner:after{content:"";display:table;clear:both;}.about-us-node .pane-node-content .col-half{width:50%;}@media screen and (max-width:768px){.about-us-node .pane-node-content .col-half{width:100%;}}.about-us-node .pane-node-content .col-third{width:33.33%;}@media screen and (max-width:768px){.about-us-node .pane-node-content .col-third{width:100%;}}.about-us-node .pane-node-content .col-third h2{font-size:18px;text-align:left;}.about-us-node .pane-node-content .col-fourth{width:25%;}@media screen and (max-width:768px){.about-us-node .pane-node-content .col-fourth{width:100%;}}.about-us-node .pane-node-content .col-fourth h2{font-size:18px;text-align:left;}.about-us-node .pane-node-content .profile-image img{height:200px;width:auto;float:left;margin-right:20px;}@media screen and (max-width:580px){.about-us-node .pane-node-content .profile-image img{width:auto;margin:0;}}.about-us-node .pane-node-content,.about-us-node .field-name-body,.about-us-node .node{padding:0;margin:0;}.about-us-node #top-bar{margin-bottom:0;}.about-us-node #middle-bar{padding:0;margin:0 -35px 40px -35px;text-align:center;}.about-us-node #middle-bar .gutter,.about-us-node #middle-bar .region{text-align:left;margin:0;padding:0;max-width:none;}@media screen and (max-width:768px){.about-us-node #middle-bar{margin:0 -25px 30px -25px;width:auto;}}@media screen and (max-width:580px){.about-us-node #middle-bar{margin:0 -35px 40px -35px;width:auto;}.about-us-node #middle-bar .gutter{margin:0;padding:0;}}#aboutus .section > .inner{margin:0 45px;padding:30px 10px;}@media screen and (max-width:768px){#aboutus .section > .inner{margin:0 25px;}}#aboutus .section .media{margin:0 auto;text-align:center;}#aboutus .section .row.single{width:70%;}#aboutus .section .row.single h2{margin-bottom:.4em;}#aboutus .section .row.single .media{float:left;width:120px;margin:0 20px 20px 0;}#aboutus .section .row.single p{overflow:auto;margin-left:0;}@media screen and (max-width:768px){#aboutus .section .row.single{width:auto;}#aboutus .section .row.single p{width:auto;}}#aboutus .section:after{content:"";display:table;clear:both;}#aboutus .bluebg{background:#dce8ee;background:-moz-linear-gradient(top,#dce8ee 0%,#e6f3f9 52%,#f0f9ff 100%);background:-webkit-gradient(linear,left top,left bottom,color-stop(0%,#dce8ee),color-stop(52%,#e6f3f9),color-stop(100%,#f0f9ff));background:-webkit-linear-gradient(top,#dce8ee 0%,#e6f3f9 52%,#f0f9ff 100%);background:-o-linear-gradient(top,#dce8ee 0%,#e6f3f9 52%,#f0f9ff 100%);background:-ms-linear-gradient(top,#dce8ee 0%,#e6f3f9 52%,#f0f9ff 100%);background:linear-gradient(to bottom,#dce8ee 0%,#e6f3f9 52%,#f0f9ff 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#dce8ee',endColorstr='#f0f9ff',GradientType=0);}#aboutus .graybglight{background:#f2f0f0;}#aboutus .graybgdarker{background:#e0e0e0;}#aboutus .graybgdarkest{background:#999999;color:#ffffff;}#aboutus .pane-node-field-page-about-quote{background:#f2f0f0;margin:0;}#aboutus .pane-node-field-page-about-quote .pane-content{margin:0 45px;padding:30px 10px;text-align:center;}#aboutus .pane-node-field-page-about-quote .pane-content > .field{text-align:left;padding:15px;margin:0 auto;width:70%;clear:both;font-family:Georgia,Times New Roman,serif;color:#7a7b7e;}@media screen and (max-width:580px){#aboutus .pane-node-field-page-about-quote .pane-content > .field{width:auto;margin:10px 0;}}#aboutus .pane-node-field-page-about-quote .pane-content > .field span{font-family:Arial,Verdana,sans-serif;display:block;text-align:right;text-transform:uppercase;color:#7a7b7e;font-size:14px;font-style:normal;margin-top:.8em;}#aboutus .pane-node-field-page-about-quote .pane-content img{width:35%;float:left;margin-right:20px;}@media screen and (max-width:768px){#aboutus .pane-node-field-page-about-quote .pane-content img{width:100%;margin:0 0 1em;}}#aboutus .pane-node-field-page-about-quote .pane-content p{font-size:20px;font-style:italic;line-height:24px;}#aboutus .pane-node-field-page-about-quote .pane-content p:after{content:"";display:table;clear:both;}#aboutus .pane-node-field-page-about-next{margin:0 0 0 0;background:#ffffff;text-align:center;clear:both;}#aboutus .pane-node-field-page-about-next .pane-content{padding:2em 10px;}#aboutus .pane-node-field-page-about-next a{background:#f7931e;color:#ffffff !important;color:#fff;border:none;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;font-size:15px;font-weight:bold;padding:8px 20px;margin-right:1em;position:relative;padding-right:40px;font-family:MuseoSlab-500,"Arial Narrow",Arial,Helvetica,sans-serif;font-weight:normal;font-size:19px;background:#fd4b00;}#aboutus .pane-node-field-page-about-next a:hover{background:#000000;}#aboutus .pane-node-field-page-about-next a:after{display:inline-block;clear:none;content:'';overflow:hidden;position:relative;}#aboutus .pane-node-field-page-about-next a:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);background-repeat:no-repeat;-webkit-background-size:333px 330px;-moz-background-size:333px 330px;background-size:333px 330px;background-position:-284px -202px;width:22px;height:22px;}@media screen and (-webkit-min-device-pixel-ratio:1.0),screen and (min--moz-device-pixel-ratio:1.0),screen and (-o-min-device-pixel-ratio:1),screen and (min-device-pixel-ratio:1.0),screen and (min-resolution:1.0dppx){#aboutus .pane-node-field-page-about-next a:after{background-image:url(/sites/all/themes/edutopia/images/sprites.png);}}@media screen and (-webkit-min-device-pixel-ratio:2.0),screen and (min--moz-device-pixel-ratio:2.0),screen and (-o-min-device-pixel-ratio:2),screen and (min-device-pixel-ratio:2.0),screen and (min-resolution:2.0dppx){#aboutus .pane-node-field-page-about-next a:after{background-image:url(/sites/all/themes/edutopia/images/sprites@2x.png);}}@media screen and (max-width:580px){#aboutus .pane-node-field-page-about-next a{margin:0 20px;display:block;}}#aboutus .pane-node-field-page-about-next a:after{position:absolute;right:10px;top:15%;}@media screen and (max-width:580px){#aboutus .pane-node-field-page-about-next a:after{top:50%;margin-top:-11px;}}.pane-bundle-aboutus-action-carousel{padding:2em 0;display:none;width:70%;margin:0 auto;}@media screen and (max-width:768px){.pane-bundle-aboutus-action-carousel{width:90%;}}.pane-bundle-aboutus-action-carousel h2.pane-title{text-align:center;font-size:18px;}.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-intro{font-size:16px;text-align:center;}.pane-bundle-aboutus-action-carousel .pane-content{margin:2em 5%;position:relative;}.pane-bundle-aboutus-action-carousel .field-collection-container{margin-top:2em;border:none;}.pane-bundle-aboutus-action-carousel .field-collection-view{margin:0;padding:0;border:none;}.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items{background:#eeeeee;}@media screen and (max-width:580px){.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items{background:#ffffff;}}.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .field-item{float:left;}.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .field-name-field-edu-action-image{width:40%;float:left;margin-right:20px;}@media screen and (max-width:580px){.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .field-name-field-edu-action-image{width:100%;margin-bottom:1em;}}.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .dek{font-size:16px;overflow:auto;}.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .headline,.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .dek{margin-right:10px;}@media screen and (max-width:580px){.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .headline,.pane-bundle-aboutus-action-carousel .field-name-field-edu-action-items .dek{margin:10px;}}.pane-bundle-aboutus-action-carousel .carousel-nav{position:absolute;bottom:10px;right:10px;width:56%;}@media screen and (max-width:580px){.pane-bundle-aboutus-action-carousel .carousel-nav{bottom:20px;left:0;clear:both;width:100%;position:relative;}}#block-edu-share-share-general{padding-top:10px;background:#ededed;margin-bottom:10px;}@media screen and (max-width:580px){#block-edu-share-share-general{margin:10px 0 !important;}}#block-edu-share-share-general > div{padding:5px 10px 5px 20px;}@media screen and (max-width:580px){#block-edu-share-share-general > div{padding:10px;}}#block-edu-share-share-general .block-title{padding:5px 40px;margin-left:-20px;margin-right:-5px;position:relative;background:#0099ff;color:#ffffff;}@media screen and (max-width:580px){#block-edu-share-share-general .block-title{padding:5px 30px;}}#block-edu-share-share-general .block-title:before{content:' ';position:absolute;width:0;height:0;right:0px;top:0;border-width:18px 5px;border-style:solid;border-color:transparent #fff transparent transparent;}#block-edu-share-share-general .block-title:after{content:' ';position:absolute;width:0;height:0;left:0px;top:100%;border-width:5px 10px;border-style:solid;border-color:#00719C #00719C transparent transparent;}#block-edu-share-share-general .services{display:table;width:100%;margin-left:0;}@media screen and (max-width:580px){#block-edu-share-share-general .services{width:auto;}}#block-edu-share-share-general .services li{list-style-type:none;display:table-cell;width:25%;}#block-edu-share-share-general .services a{display:inline-block;width:60px;height:60px;text-indent:-200px;overflow:hidden;background:url(/sites/all/themes/edutopia/images/connect-services.png) no-repeat;margin-right:10px;}#block-edu-share-share-general .services a:hover{opacity:.9;}#block-edu-share-share-general .services a.twitter{background-position:-60px;}#block-edu-share-share-general .services a.youtube{background-position:-120px;}#block-edu-share-share-general .services a.pinterest{background-position:-180px;}.section .inner .edu-intro .inner{margin-right:50px;box-shadow:0 0 0 0 #ffffff;-moz-box-shadow:0 0 0 0 #ffffff;-webkit-box-shadow:0 0 0 0 #ffffff;}.section .inner .ler-intro .inner{margin-left:50px;box-shadow:0 0 0 0 #ffffff;-moz-box-shadow:0 0 0 0 #ffffff;-webkit-box-shadow:0 0 0 0 #ffffff;}.section .inner .edu-intro .inner,.section .inner .ler-intro .inner{background:transparent;}@media screen and (max-width:768px){.section .inner .edu-intro .inner,.section .inner .ler-intro .inner{margin:0;}}.page-about-team .ui-tabs-nav,.page-about-board .ui-tabs-nav{margin-bottom:2em;}.page-about-team .staff-profile,.page-about-board .staff-profile{width:48.5%;float:left;overflow:hidden;}@media screen and (max-width:580px){.page-about-team .staff-profile,.page-about-board .staff-profile{width:100%;float:none;margin-left:0;}}.page-about-team .staff-profile .inner,.page-about-board .staff-profile .inner{padding:10px;margin:10px 10px 1em 10px;min-height:105px;overflow:hidden;border-bottom:1px solid #000000;box-shadow:0 5px 5px -4px #999;border:1px solid #eeeeee;}.page-about-team .staff-profile .picture,.page-about-board .staff-profile .picture{width:35%;float:left;}.page-about-team .staff-profile .picture img,.page-about-board .staff-profile .picture img{width:100%;max-width:100%;height:auto;}.page-about-team .staff-profile .details,.page-about-board .staff-profile .details{width:45%;float:left;margin-left:10px;font-size:12px;line-height:1.4em;}.page-about-team .staff-profile .details h3,.page-about-board .staff-profile .details h3{font-family:Arial,Verdana,sans-serif;margin:0;font-weight:bold;}.page-about-team .staff-profile .details h3 a,.page-about-team .staff-profile .details h3 a:link,.page-about-team .staff-profile .details h3 a:visited,.page-about-board .staff-profile .details h3 a,.page-about-board .staff-profile .details h3 a:link,.page-about-board .staff-profile .details h3 a:visited{color:#000000;}.page-about-team .field-name-field-team-members .field-item:nth-child(2n):after,.page-about-board .field-name-field-team-members .field-item:nth-child(2n):after{content:"";display:table;clear:both;}.page-about-jobs .section em,.page-node-452136 .section em{font-size:.9em;}.page-about-jobs .section li,.page-node-452136 .section li{font-family:MuseoSlab-500,"Arial Narrow",Arial,Helvetica,sans-serif;}.page-about-timeline #aboutus .pane-bundle-aboutus-timeline,.page-about-timeline #aboutus .pane-node-field-page-about-next{margin-left:-30px;margin-right:-30px;}@media screen and (max-width:580px){.page-about-timeline #aboutus .pane-bundle-aboutus-timeline,.page-about-timeline #aboutus .pane-node-field-page-about-next{margin-left:-10px;margin-right:-10px;}}.page-about-timeline .field-collection-view{margin:0;padding:0;border:none;}.page-about-timeline .field-name-field-period-title{font-size:18px;color:#ffffff;font-family:MuseoSlab-500,"Arial Narrow",Arial,Helvetica,sans-serif;text-align:center;padding:20px;}.page-about-timeline .field-name-field-period-title .field-items{margin:5px 10px;text-align:center;}.page-about-timeline .field-collection-item-field-about-timeline iframe{width:100%;}.page-about-timeline .entity-field-collection-item{padding:0;box-shadow:inset 0px -4px 4px 0px rgba(0,0,0,0.2);-moz-box-shadow:inset 0px -4px 4px 0px rgba(0,0,0,0.2);-webkit-box-shadow:inset 0px -4px 4px 0px rgba(0,0,0,0.2);}.page-about-timeline .entity-field-collection-item .content-inner{background:url(/sites/all/themes/edutopia/images/timeline/timeline_divider.png) no-repeat center top;padding:0px 0 2em 0;}.page-about-timeline .entity-field-collection-item .content-inner:after{content:"";display:table;clear:both;}@media screen and (max-width:580px){.page-about-timeline .entity-field-collection-item .content-inner{padding-top:30px;}}.page-about-timeline .entity-field-collection-item .field-name-field-period-left,.page-about-timeline .entity-field-collection-item .field-name-field-period-right{width:49%;}@media screen and (max-width:580px){.page-about-timeline .entity-field-collection-item .field-name-field-period-left,.page-about-timeline .entity-field-collection-item .field-name-field-period-right{float:none;width:auto;}}.page-about-timeline .entity-field-collection-item .field-name-field-period-left .inner,.page-about-timeline .entity-field-collection-item .field-name-field-period-right .inner{position:relative;width:60%;margin:1em auto;background:#ffffff;border:1px solid #e4f3fa;padding:15px;box-shadow:1px 1px 5px 0px rgba(0,0,0,0.5);-moz-box-shadow:1px 1px 5px 0px rgba(0,0,0,0.5);-webkit-box-shadow:1px 1px 5px 0px rgba(0,0,0,0.5);}@media screen and (max-width:580px){.page-about-timeline .entity-field-collection-item .field-name-field-period-left .inner,.page-about-timeline .entity-field-collection-item .field-name-field-period-right .inner{width:auto;margin:0 20px 20px 20px;}}.page-about-timeline .entity-field-collection-item .field-name-field-period-left .inner:after,.page-about-timeline .entity-field-collection-item .field-name-field-period-right .inner:after{content:'';position:absolute;border-style:solid;border-color:transparent rgba(255,255,255,0.4);border-width:15px 0;display:block;width:0;z-index:1;}@media screen and (max-width:580px){.page-about-timeline .entity-field-collection-item .field-name-field-period-left .inner:after,.page-about-timeline .entity-field-collection-item .field-name-field-period-right .inner:after{border:0;}}.page-about-timeline .entity-field-collection-item .field-name-field-period-left{float:left;}@media screen and (max-width:580px){.page-about-timeline .entity-field-collection-item .field-name-field-period-left{float:none;}}.page-about-timeline .entity-field-collection-item .field-name-field-period-left .inner:after{border-left-width:60px;right:-60px;top:0;}.page-about-timeline .entity-field-collection-item .field-name-field-period-right{float:right;}@media screen and (max-width:580px){.page-about-timeline .entity-field-collection-item .field-name-field-period-right{float:none;}}.page-about-timeline .entity-field-collection-item .field-name-field-period-right .inner:after{border-right-width:60px;left:-60px;top:50%;margin-top:-15px;}.page-about-timeline .divider-top{display:block;width:24px;margin:0 auto;background:url(/sites/all/themes/edutopia/images/timeline/timeline_divider_top.png) no-repeat center bottom;height:50px;}@media screen and (max-width:580px){.page-about-timeline .divider-top{height:30px;}}.page-about-timeline .timeline-Late-1980039s{background:#49729e url(/sites/all/themes/edutopia/images/timeline/bg-80s.png) no-repeat center 10px;}.page-about-timeline .timeline-Late-1980039s .divider-top{background:0;height:20px;}.page-about-timeline .timeline-1990039s,.page-about-timeline .timeline-1990039s-II{background:#d7894b;}.page-about-timeline .timeline-1990039s{box-shadow:inset 0px 0px 0px 0px rgba(0,0,0,0);-moz-box-shadow:inset 0px 0px 0px 0px rgba(0,0,0,0);-webkit-box-shadow:inset 0px 0px 0px 0px rgba(0,0,0,0);background:#d7894b url(/sites/all/themes/edutopia/images/timeline/bg-90s.png) no-repeat center 10px;}.page-about-timeline .timeline-1990039s-II{background:#d7894b url();}.page-about-timeline .timeline-1990039s-II .field-name-field-period-title,.page-about-timeline .timeline-1990039s-II .divider-top{display:none;}.page-about-timeline .timeline-1990039s-II .content-inner{background:url(/sites/all/themes/edutopia/images/timeline/timeline_divider.png) no-repeat center -25px;}.page-about-timeline .timeline-1995-2004{background:#d26a5c url(/sites/all/themes/edutopia/images/timeline/bg-95.png) no-repeat center 10px;}.page-about-timeline .timeline-2004{background:#389184 url(/sites/all/themes/edutopia/images/timeline/bg-04.png) no-repeat center 10px;}.page-about-timeline .timeline-2004-2010{background:#2E9C8F url(/sites/all/themes/edutopia/images/timeline/bg-04.png) no-repeat center 10px;}.page-about-timeline .timeline-2010{background:#fece7f url(/sites/all/themes/edutopia/images/timeline/bg-10.png) no-repeat center 10px;}.page-about-timeline .timeline-2013-2014{background:#877572 url(/sites/all/themes/edutopia/images/timeline/bg-13.png) no-repeat center 10px;}.page-about-timeline .timeline-The-Future,.page-about-timeline .timeline-2015-and-Beyond{background:#3c3768 url(/sites/all/themes/edutopia/images/timeline/bg-future.png) no-repeat center 10px;}#aboutus #process{background:#ffffff;padding:20px 0;width:70%;margin:0 auto;}@media screen and (max-width:580px){#aboutus #process{padding:10px;width:auto;}}#aboutus #process h2{text-align:center;color:#34298e;margin-bottom:2em;}#aboutus #process img{width:80%;margin:.5em auto;}@media screen and (max-width:580px){#aboutus #process img{width:100%;}}#aboutus #process .process-section{padding:10px;border:2px solid #00a6e5;background-color:#cbedfa;box-shadow:inset 0 0px 2px 3px rgba(255,255,255,0.6);-moz-box-shadow:inset 0 0px 2px 3px rgba(255,255,255,0.6);-webkit-box-shadow:inset 0 0px 2px 3px rgba(255,255,255,0.6);border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;margin:-29px auto 0;width:80%;}#aboutus #process .process-section h3{text-align:left;color:#1d1d5e;margin:1em 20px;}#aboutus #process .process-section ul{margin:1em 0 0 1.2em !important;padding:0;width:auto;list-style:none;}#aboutus #process .process-section ul li{padding-left:5px;margin-bottom:1em;}@-moz-document url-prefix(){text-indent:-0.5em;}#aboutus #process .process-section ul li:before{content:"▪ ";font-size:1.3em;color:#f7931e;display:inline-block;padding:0 5px;}#aboutus #process .process-section ul li{list-style-type:none;font-size:14px;text-indent:-11px;margin-bottom:.3em;}#aboutus #process .process-section ul li:before{color:#00a6e5;}#aboutus #process .arrow{display:block;margin:0 auto 20px auto;height:25px;width:34px;background:url(/sites/all/themes/edutopia/images/arrow-down-blue.png) no-repeat;position:relative;z-index:99;}