html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,sub,sup,tt,var,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td{margin:0;padding:0;border:0;outline:0;font-weight:inherit;font-style:inherit;font-size:100%;font-family:inherit;vertical-align:baseline}ul{list-style:none}:focus{outline:0}table{border-collapse:separate;border-spacing:0}caption,th,td{text-align:left;font-weight:400}blockquote:before,blockquote:after,q:before,q:after{content:""}blockquote,q{quotes:"" ""}header,footer,aside,nav,article{display:block}html,body{height:100%;position:relative}body{background-color:#fff;font-family:source sans pro,lucida sans unicode,lucida sans unicode;color:#4e4e4e;font-size:1.19em;line-height:1.5em}#page-wrapper{width:960px;padding:60px 0;min-height:100%;height:auto!important;height:100%;margin:0 auto}footer{min-width:960px}#page-header{min-width:960px}.content{min-height:300px}strong,b{font-weight:700}em{font-style:italic}a{color:#324698;font-weight:700;text-decoration:none}.clearfix:after{content:".";visibility:hidden;display:block;height:0;clear:both}#page-header{position:relative;width:100%;height:auto;z-index:150}#page-header h1,#page-header h2,#page-header button,#page-header a,#page-header input{font-family:source sans pro,lucida sans unicode;margin-top:0}#request::-webkit-input-placeholder{color:#000}#request:-moz-placeholder{color:#000}#request::-moz-placeholder{color:#000}.mobile-header,#mobile-warning{display:none}.subjects-select p{display:inline-block;font-size:16px;min-width:42px}.exit-subjects-select{position:absolute;top:0}#subjects-search{display:table;width:100%;height:100px}.trademark{vertical-align:super;font-weight:400;font-size:11px}#topnav-search-form{position:relative}.primary-header{background-color:#fff}.header-btn{width:100px;height:100px;overflow:hidden;cursor:pointer;display:inline-block;border:none;background:0 0;vertical-align:top;color:#4f4f4f}.header-btn i{padding-top:5px}.header-print-link{text-align:center}.header-print-link i{padding-top:39px}.topnav-rightbox{position:absolute;right:0;top:0}.topnav-language{background:0 0;cursor:pointer;z-index:220;display:inline-block;height:100px;width:150px;position:relative}.language-dropdown{background:#fff;display:inline-block;padding:0;height:100px;width:150px;overflow:hidden;transition:all .3s ease;text-align:center;position:absolute}.language-dropdown:hover{height:300px;transition-delay:.3s}.language-dropdown a{display:inline-block;width:150px;height:100px;color:#4f4f4f;text-decoration:none;float:right}.language-dropdown a li{width:150px;height:100px}.language-dropdown li{display:block;line-height:100px;font-size:16px;font-weight:600}.language-dropdown .material-icons{vertical-align:middle;margin-left:5px}.language-dropdown .less{display:none}.language-dropdown:hover .more{display:none}.language-dropdown:hover .less{display:inline}.subjects-select{width:165px;height:100px;background-color:transparent;border:none;color:#fff;cursor:pointer;text-transform:uppercase;vertical-align:top;padding:0 15px;display:inline-block}.dropdown-close-x{width:60px;height:60px;cursor:pointer;border:none;color:#505860;background:0 0;position:absolute;right:40px;top:0}.dropdown-close-x:hover{background-color:rgba(0,0,0,.05);transition:background .15s ease-in}.language-dropdown li:hover,.subjects-select:hover,.header-btn:hover{background-color:rgba(0,0,0,.05);transition:background .15s ease-in}.subjects-select p{vertical-align:middle;color:#4f4f4f;padding:0 10px}#subjects-search-box{display:inline-block;width:71%;display:table-cell;vertical-align:top}.topnav-lls-container,.topnav-sls-container{position:absolute;width:815px;left:0;right:0}.topnav-lls-container #largeSearchbar{display:inline-block}.topnav-search-field-large{position:absolute;width:465px;height:25px;padding:5px 5px 5px 10px;top:13px;margin-left:5px;font-size:16px}.search-submit-btn{position:absolute;cursor:pointer;width:27px;height:28px;background:url(https://media.gcflearnfree.org/assets/icons/header/searchmagnifyingglass.png) no-repeat center;border:none;margin-top:-26px!important;margin-left:455px}.search-submit-btn span,.search-submit-btn-small span{visibility:hidden}#smallSearchbar .material-icons{color:#4e4e4e;font-size:30px!important}#smallSearchbar .material-icons,.search-submit-btn-small{top:-3px!important}.search-submit-btn-small.search-close-btn{left:initial;right:0;top:0!important}#smallSearchbar .material-icons:hover{color:#000}.search-submit-spinner{height:25px;width:25px;position:absolute;display:none}.right-spinner{right:15px;top:20px}.left-spinner{left:15px;top:0}#smallSearchbar{display:none;position:relative;width:100%;text-align:center;margin-top:11px;z-index:100}.form-content-container{position:relative}.topnav-search-field-small{width:83%;height:40px;margin-top:7px!important;font-size:20.32px;padding:9px 50px;border:solid 1px #f0f1f2}.close-search-x{position:absolute;cursor:pointer;right:8px;top:0}.search-submit-btn-small{position:absolute;cursor:pointer;width:27px;height:28px;border:none;background:0 0;top:-1px;left:5px}.topnav-lls-container .logo-link{display:inline-block;text-align:center;margin-top:5px}.topnav-sls-container .logo-link{display:inline-block;margin:15px auto 0;position:absolute;right:0;left:10px}.header-divider{height:1px;background:#fff;width:400px;margin:auto}#page-header .logo{height:60px;margin-top:13px;max-width:250px}.main-logo-es,.logo-es,.main-logo-pt,.logo-pt{margin-top:18px!important}#page-header .logo.logo-en{height:65px}#page-header .logo.logo-left{margin-left:1em;margin-right:2em;height:50px}#page-header .logo.logo-middle{margin-right:3.5em}#page-header .logo.goodwill-logo{width:190px;height:53px;padding-bottom:5px}.logo-link{vertical-align:bottom;display:inline-block}#page-header .dropdown-hamburger{padding-left:5px;vertical-align:middle;color:#4f4f4f;font-size:32px}.headerfooter-content-wrapper{width:960px;margin-left:auto;margin-right:auto;height:100%}.sub-header{width:100%;height:286px;background-size:cover;position:relative;background-color:#38cfca;overflow:hidden}#corner-gradient-right{position:absolute;right:0;height:616px;width:400px;background:#fff;padding-left:30%;position:absolute;transform:rotate(135deg);margin-top:-13px;margin-right:-448px;z-index:11;background:transparent;background:-moz-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:-webkit-gradient(left bottom,right top,color-stop(0%,rgba(255,255,255,0)),color-stop(100%,rgba(255,255,255,0.19)));background:-webkit-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:-o-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:-ms-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff',endColorstr='#ffffff',GradientType=1)}#corner-gradient-left{position:absolute;left:0;height:616px;width:400px;float:left;background:#fff;padding-left:30%;transform:rotate( -43deg);margin-top:-393px;margin-left:-348px;z-index:11;background:transparent;background:-moz-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:-webkit-gradient(left bottom,right top,color-stop(0%,rgba(255,255,255,0)),color-stop(100%,rgba(255,255,255,0.19)));background:-webkit-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:-o-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:-ms-linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );background:linear-gradient(45deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.19) 100% );filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff',endColorstr='#ffffff',GradientType=1)}.menuOptionsWrapper{background-color:rgba(0,0,0,.4)}.dropdown-wrapper .menuOptions{width:1008px;height:40px;color:#fff;text-align:center;margin:0 auto}.dropdown-wrapper .menuOption{width:332px;height:100%;display:inline-block;font-size:20px;font-weight:600;cursor:pointer}.dropdown-wrapper .menuOption a{color:#fff}.menuOption a,.menuOption span{vertical-align:sub}.dropdown-wrapper .menuOption:hover{background-color:rgba(80,80,80,.5)}.menuOption.menuOptionSelected{-webkit-box-shadow:inset 0 -4px 0 0 #fff;-moz-box-shadow:inset 0 -4px 0 0 #fff;box-shadow:inset 0 -4px 0 0 #fff}.sub-header h1{color:#fff;font-family:source sans pro,lucida sans unicode!important;font-size:30px;font-weight:600}.sub-header h1 a{color:#fff;font-family:source sans pro,lucida sans unicode!important;font-weight:600}#subheaderContentContainer{position:relative;height:100%;color:#fff;font-weight:700;overflow:hidden}#subheaderContentContainer .header-nodesc{position:relative;z-index:20}#subheaderContentContainer .header-nodesc .title-content{margin-top:200px}#subheaderContentContainer .header-desc{position:absolute;z-index:20;margin-left:30px;bottom:35px}#subheaderContentContainer .header-desc .description{width:840px;line-height:30.72px}#subheaderContentContainer .header-desc .description br{display:none}#subheaderContentContainer .header-desc .description p{font-weight:300;font-size:19px}#subheaderContentContainer .header-desc .description a{color:#fff;text-decoration:underline}#subheaderContentContainer .header-desc .description a:hover{text-decoration:underline}#subheaderContentContainer .tutorialYoutubeLink{display:block;width:250px;color:#fff;font-size:16px;text-align:center;border:2px solid #fff;padding:7px 0;margin-top:15px;float:right}#subheaderContentContainer .tutorialYoutubeLink:hover{background:rgba(0,0,0,.05)}.header-image{width:1012px;height:auto;position:absolute;z-index:10;bottom:0;left:-26px}#dropdown-img{z-index:0;bottom:-83px}.tutorialMenuHeader{margin-top:20px;color:#fff}.tutorialMenuDescription{padding:20px;background:rgba(0,0,0,.2);margin-top:10px}.tutorialMenuTitle{margin-bottom:10px;font-size:20px}#page-wrapper{background-color:#fff}.disabled-button{pointer-events:none;opacity:.7}.orange-button{background-color:#ff8a28;border:none;color:#fff;cursor:pointer}.orange-button:hover{background-color:#4c4c4c}.linkblue-button{background-color:#00acd7;border:none;color:#fff;cursor:pointer}.linkblue-button:hover{background-color:#0089ac}.wrapper-button{border:none;background:0 0;padding:0;cursor:pointer}.dropdown-wrapper{position:absolute;width:100%;top:0;height:auto;background-color:#fff;z-index:250;display:none;background-size:cover;padding:60px 20px 10px;box-shadow:rgba(0,0,0,.2) 0 5px 10px 0}.subjectMenuOption .dropdown-contents{width:100%;column-count:4;-moz-column-count:4;-webkit-column-count:4;position:relative;padding-bottom:3px;line-height:26px}.dropdown-wrapper .subjects-close{height:15px;width:15px;position:absolute;top:25px;left:25px;cursor:pointer}.dropdown-inner .level-1.bottom-row{margin-left:0;text-align:right}.dropdown-inner .level-1 a{display:inline-block}.dropdown-inner .level-1 .multiple-links a{display:inline;vertical-align:middle}.dropdown-inner{max-width:960px;margin:0 auto;display:none}.dropdown-inner.selectedMenuOption{display:block;position:relative}.site-nav-contents{width:100%;column-count:4;-moz-column-count:4;-webkit-column-count:4;position:relative;padding-bottom:3px;line-height:26px}.site-nav-contents>li{display:block;padding:20px 0;break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid}.site-nav a{color:#646669;font-weight:600;font-size:19px}.site-nav .level-1 a{font-size:17px;color:#646669;font-weight:400}.site-nav .level-1 span{font-size:17px;color:#505860;font-weight:300;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;width:100%;display:block}.site-nav .level-1>li{position:relative;max-width:240px}.site-nav .level-1>li>a:hover{color:#000}#featured-topics{display:none}.all-topics.site-nav-contents>div{padding:20px 0;break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid}.tutorial-template #page-wrapper #content-area{position:relative}.logged-in-state{position:absolute;font-size:15px;font-style:italic;top:-60px;right:0}.login-form{margin:10px 40px}.login-form legend{display:none}.login-form ol{list-style:none;line-height:30px}.nav li{display:inline-block;text-align:center;padding:0 12px}#impersonationNote{width:100%;background:#ffd;border-bottom:solid 1px #aaa;text-align:right}#impersonationNote span{padding:0 25px;line-height:32px;color:#555}#impersonationNote a{font-weight:400;text-decoration:underline;margin-left:15px}.manage-actions{text-align:right;font-size:13px;margin:3px 0 -20px;position:relative;z-index:1000}.manage-actions a{text-decoration:none;margin:0 10px;color:#555;font-weight:400}.manage-actions a:before,.manage-actions a:after{content:' - '}#featurepage-header header,#labspage-header header{padding:0 15px 10px!important}.collection.content-item header{border-bottom:1px solid #d4d6d9}#featurepage-header header h1,#labspage-header header h1{display:inline-block}#featurepage-header #description,#labspage-header #description{color:#707880;font-size:14px;letter-spacing:0;line-height:18px;margin-top:10px}#topicPageHeader{border-bottom:1px solid #d4d6d9;padding-bottom:10px}.videoslideshow-faq{background-color:#f8f8f8;margin-top:75px;margin-bottom:40px}.videoslideshow-faq .slides_container{height:180px}.videoslideshow-faq .videoslideshow-faq-header{background-color:#e4e4e4;height:40px}.videoslideshow-faq .videoslideshow-faq-header h2{float:right;padding-left:45px;margin:5px 230px 0 0!important;font-size:25px!important;color:#717880!important}.videoslideshow-faq .videoslideshow-faq-header h2,.videoslideshow-faq .videoslideshow-faq-header img{margin-top:-55px}.videoslideshow-faq .pagination{display:none}.videoslideshow-faq li a{display:inline-block;width:155px;height:144px}.videoslideshow-faq .slideshow.slideshowFAQPage{width:520px!important}.videoslideshow-faq .slides_container{width:520px!important}.videoslideshow-faq li{width:520px!important}.videoslideshow-faq .prev,.videoslideshow-faq .next{top:75px!important}.videoslideshow-faq .prev{left:-10px!important}footer,.push{height:385px}footer,.corner-images-box{width:100%;margin:-385px auto 0;clear:both}footer .mobilefooter{display:none}#sticky-wrapper{min-height:100%}.main-footer{background-color:#f0f1f2}.footerheaders{text-transform:uppercase}.desktopFooter{background-color:#ececec}#footerContent{width:960px;margin-right:auto;margin-left:auto;height:260px}#footerContent a+a{margin-left:30px}#footer_social_media img{height:30px;width:30px}.spacer{height:100px}.footer-section-headers{background-color:#00a8d3;height:40px}.footer-links-container div{margin-top:-30px}#footerContent .footer-links-container h4{color:#4f4f4f;padding:30px 0}#AccountSearch{height:20px;background-color:#00a8d3;background-size:cover}#quote{width:50%;display:inline-block;position:relative}#quote .left-quote{position:absolute;left:10px;top:-45px;opacity:.4}#quote div{width:80%;padding-left:75px;color:#fff;font-family:source sans pro,lucida sans unicode,sans-serif;font-size:20px;font-style:italic}#quote .right-quote{position:absolute;bottom:-30px;right:0;opacity:.4}#quote img{height:30px}.quoteSource{margin-top:20px}#topFooterContent form{width:45%;display:inline-block;vertical-align:top;position:relative}.footer-search{display:inline-block;margin-left:170px;vertical-align:middle}#topFooterContentWrapper{display:table;width:960px;margin:auto;height:100%}#topFooterContent{width:960px;margin-right:auto;margin-left:auto;display:table-cell;vertical-align:middle;position:relative}#topFooterContent span,#topFooterContent a{margin:0 14px 0 0;color:#fff}.footer-drag-handle{display:none;width:100px;text-align:center;margin:auto;position:absolute;right:0;left:0;top:-26px;color:#fff;border-radius:5px;cursor:pointer;background:#38cfca}#footerContent{padding-top:30px}#footerContent h4{font-family:source sans pro,lucida sans unicode,sans-serif;font-weight:700;font-size:19px;color:#838a91;padding-bottom:15px}#footerContent a{color:#a1a7ad;font-size:19px;font-weight:400;text-decoration:none;line-height:1.4}#footerContent .text-links a:hover{text-decoration:underline}.footer-links-container{position:relative}#sectionOne{float:left}#sectionTwo{position:absolute;left:393px;margin:auto;top:-31px}#sectionThree{position:absolute;right:0}#footer-logo-box a,#footer_social_media{display:inline-block}#footer_social_media a+#footer_social_media a{margin-left:5px}#copyright,#copyrightMobile{clear:both;width:960px;position:relative;font-size:14px;margin:0 auto;padding:30px 0;background-color:#fff;color:#60bce2}.footer-logo-box{clear:both;padding:32px 0}#footer_logo{height:60px;float:right}#gcfi-logo img{float:left}.socialMediaSection{height:24px;margin:21px 0 11px;visibility:hidden}.socialMediaSection a{display:block;float:left;line-height:24px;font-size:12px;text-decoration:none;color:#fff}.socialMediaSection a img{width:24px;height:24px;float:left}.socialMediaSection a span{font-size:12px;padding:0 8px 0 2px}#facebookShareBtn{background-color:#197aba}#twitterShareBtn{background-color:#00aedb}#googleShareBtn{background-color:#c33825}#pinterestShareBtn{background-color:#ea4b35}.text-plus-page .socialmedia-sidebar-wrapper.socialmedia-sidebar{padding-top:13px;margin-left:15px}.zone.zone-content{padding-bottom:34px}h1,h2,h3,h4,h5,.endQuote{font-family:source sans pro,lucida sans unicode;font-weight:700}h1{color:#707980;font-size:30px;margin-top:25px;margin-bottom:10px}#header-box{position:relative;background-color:#f7f8f8;width:905px;color:#000;font-size:20px;font-family:source sans pro,lucida sans unicode;margin:40px auto}#header-box #description{padding:25px 20px 40px}#overlay{position:fixed;display:none;width:100%;height:100%;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);z-index:1000}#errorpage h2{font-size:1.4em;color:#3a3f44;font-weight:700;line-height:1.2}#errorpage p{font-family:source sans pro,lucida sans unicode;font-size:1em;color:#a1a7ad;line-height:1.2}#errorpage p.errorcode{font-size:18px;color:#707880}#errorpage.four-oh-four{margin:125px 0 0}#errorpage.four-oh-four .primary-img{float:left;width:60%;margin-top:-80px;margin-right:30px}#errorpage.four-oh-four .suggestions{margin-top:20px}#errorpage.four-oh-four .error-suggestions{clear:both;margin:300px 0 200px}#errorpage.four-oh-four .error-suggestions li{display:inline-block;width:28%;padding:0 20px}.error-suggestions li+li{border-left:solid 1px #ccc}.error-suggestions a:hover{text-decoration:underline}.error-suggestions a{color:#4f4f4f}.corner-images-box{position:relative;pointer-events:none}.corner-images-box .left-img{left:0}.corner-images-box .right-img{right:0}.corner-images-box .right-img,.corner-images-box .left-img{position:absolute;bottom:-78px}#errorpage.five-hundred{height:200px;margin:50px 0 0;padding:140px;background:url(https://media.gcflearnfree.org/assets/errors/cat.png) no-repeat}#errorpage.five-hundred p{max-width:350px}.searchBox{background-color:#fff;width:234px;height:38px;font-family:source sans pro,lucida sans unicode;display:block;margin:auto;padding:0 30px 0 10px;text-align:center}.search-button{background:url(https://media.gcflearnfree.org/assets/icons/footer/arrow.png) no-repeat center;border:none;width:20px;height:16px;position:absolute;top:13px;right:85px;cursor:pointer;opacity:.6}.search-button span{visibility:hidden}.search-again{position:relative;margin-top:30px;margin-left:20px}.search-again .search-button{top:8px;right:336px}.search-again .searchBox{float:none;border:1px solid #b0b8bf}.search-again .search-button{float:none;margin-top:-1px;margin-left:-75px}sup{vertical-align:super;font-size:smaller}.scroll-trigger,.scroll-trigger-top{visibility:hidden;margin-bottom:-50px!important}.loading-spinner{width:50px;margin:auto;display:block}.infinite-scroll-divider{background:#ececed;padding:50px;text-align:center;color:#ddd;margin:auto}.nextLoadMore,.prevLoadMore{padding:10px 15px}.nextLoadMore{margin:50px auto 0}.prevLoadMore{margin:0 auto 50px}.cookie-overlay{width:75%;margin:auto;position:fixed;bottom:3%;left:0;right:0;z-index:1000;background-color:#fff;box-shadow:rgba(0,0,0,.2) 0 5px 75px 5px;display:none}.cookie-overlay .wrapper{padding:30px 30px 20px;margin-bottom:30px}.cookie-overlay button{float:right;margin-left:10px;padding:5px 20px;border-radius:20%/75%;border:solid 2px #12607f;background-color:#fff;color:#12607f;font-size:14px}.cookie-overlay button:hover{background-color:#12607f;color:#fff}.cookie-overlay p{margin-bottom:40px}.cookie-overlay h3{padding:10px;background-color:#38cfca;color:#fff}.cookie-overlay img{position:absolute;top:19px;right:10px;cursor:pointer}.toast{width:500px;background:#af4248;position:fixed;bottom:25px;margin:auto;left:0;right:0;color:#fff;padding:10px 25px;border-radius:3px}.toast.error{background:#af4248}.toast.success{background:#4bb543}.toast .close{float:right;font-size:24px;cursor:pointer}.toast .close:hover{color:#000}.async-hide{opacity:0!important}.jquery-modal.blocker{z-index:9999}.modal{border-radius:0!important}.modal .modal-header{border-bottom:solid 1px #ddd;margin-bottom:10px}.modal .modal-header i,.modal .modal-header span{vertical-align:middle}.modal .modal-header i{margin-right:5px}.modal .modal-footer{border-top:solid 1px #ddd;margin-top:13px;padding:10px 0}.modal .close-modal{border:solid 2px #fff;border-radius:50%;-webkit-transition:-webkit-transform .15s ease-in-out;transition:transform .15s ease-in-out}.modal .close-modal:hover{-webkit-transform:rotate(90deg);transform:rotate(90deg)}.livebutt{width:80px;position:absolute;display:none!important}.button-live .livebutt{display:block!important}.button-live .logo-link{left:95px}.envivo-butt,.envivo-butt-mobile{animation-duration:1s;animation-timing-function:ease;animation-delay:0s;animation-iteration-count:infinite;animation-direction:normal;animation-fill-mode:none;animation-play-state:running;animation-name:heartbeat;float:left}.envivo-butt-mobile{margin-left:168px;width:70px;margin-top:-6px!important}.envivo-butt{margin-left:14px;margin-top:43px!important}.livebutt:hover .st0{fill:#ff7687}@keyframes heartbeat{0%{transform:scale( .9 )}20%{transform:scale( 1 )}40%{transform:scale( .9 )}60%{transform:scale( 1 )}80%{transform:scale( .9 )}100%{transform:scale( .9 )}}@media only screen and (min-device-width:320px) and (max-device-width:960px){html{width:100%}body{min-width:inherit;font-size:1em}#page-wrapper{width:95%!important;padding-top:140px!important;margin:0 2.5% -140px;min-width:initial}.logo{border:0;padding:8px 10px}#content-area{font-size:100%;padding:0;margin:0 3%!important}.content{min-height:0}#footerContent,#copyrightMobile,#topFooterContent{width:100%}#footer{height:140px}#page-header{margin-bottom:30px;min-width:initial}#quote{height:120px}.quoteContent{font-size:16px}nav.breadcrumb{font-size:24px;line-height:44px;height:44px;overflow:hidden}#AccountSearch{line-height:64px;height:120px;font-size:24px}socialmedia-sidebar{display:none}#background{background-color:#fff}.logged-in-state{display:none}.collection h1{font-size:2.5em}.views img{width:35px}.collection.content-item .views a{margin-right:18px}#content-area header #description{font-size:160%;line-height:28px}.collection.content-item .badges{height:250px;vertical-align:top;float:none!important}.collection.content-item .badges .badgeText,.collection.content-item .badges a .badgeText{font-size:45px;line-height:30px}.collection.content-item .badges div img{width:55px;height:56px}#socialMediaSection a img{width:55px;height:55px}#content-area header{margin:0;padding-right:0;padding-bottom:25px}.top-page-nav{top:100px!important}#footerContent,#copyrightMobile{width:95%;margin:0 2.5%}.page-nav .previous,.page-nav .next{vertical-align:text-top!important;width:24px!important;height:30px!important;margin:0 4px -6px 12px!important;padding:5px 0}.page-nav .previous img,.page-nav .next img{top:0!important;width:42px!important;height:26px!important}.page-nav .previous img:hover,.page-nav .next img:hover{left:-21px!important}.push{height:140px!important}#topFooterContent{width:95%!important}.donate-banner,button.search-button,#sectionTwo,#sectionThree,#footer_social_media,#quote,.zone.zone-social-media{display:none!important}#sectionOne,#sectionFour{width:auto;display:inline-block;float:none;margin-top:18px;margin-left:10px;vertical-align:top}#sectionOne a,#sectionFour a{padding-top:8px;padding-bottom:8px}#footer_logo{width:70%;float:none;margin:20% 15% 0}footer{min-width:initial}#topFooterContent input{float:initial!important;display:block;padding:0 10px!important;margin:auto!important}#topFooterContent a{display:block;text-align:center}p{padding:0;margin:0}.rightImage{float:none!important;margin:1% 0!important;width:100%!important}.rightImage img{max-width:100%}.rightImage,.leftImage{max-width:97%!important}.leftImage{width:100%!important;margin:15px 0!important;height:auto!important}.leftImage img{max-width:100%!important;height:auto!important}.footer-links-container{width:90%;margin-left:10%;margin-right:10%}#homepage,#home-page-header{width:100%;margin:0}#home-page-header #slogan{bottom:9px!important;right:40px!important}#home-page-header .logo{width:80%;height:auto;padding:0 10%}.tile{width:85%!important;float:none!important;margin-left:auto!important;margin-right:auto!important}#alltopics .supercollection{width:35%}#homepage .flip h3:active,#homepage .flip h3:hover{background-color:#6c6c6c!important}.learnmore{width:270px!important;margin-left:auto!important;margin-right:auto!important;height:initial!important}.learnmore .ampersand{margin:auto!important;display:none!important}.learnmore h2{position:relative!important;text-align:center!important;padding:10px}.learnmore ul{position:relative!important;left:initial!important;bottom:initial!important;padding-bottom:20px}.collection-content .learnmore{height:auto!important;padding-bottom:40px}.collection-content .learnmore ul{position:relative;left:auto;bottom:auto}.collection-content .learnmore .nonseq:nth-child(1){margin-left:0!important}.collection-items.thumbnails li,.collectionVideoView .videos li{display:block;margin-right:auto!important;margin-left:auto!important}.collection.content-item h3{text-align:center;margin-right:auto!important;margin-left:auto!important;line-height:1}.videos .infoBar .details{position:relative!important}.collection .play-list.views{text-align:center}.collection .collection-title{display:block!important;text-align:center}.collection-content h3{text-align:center;background-color:transparent;width:100%}.collection-content h3:empty{padding:0!important}#featurepage-header .collection-published{position:initial;margin-top:30px;text-align:center;margin-bottom:-8px}#featurepage-header #description,#labspage-header #description{padding-bottom:15px}.topic-group .desc .arrow{display:none!important}#toplevelbottomlink{margin-top:15%!important}.supercollection li{transition:all 500ms ease;position:relative;padding-left:0!important;text-indent:0!important}.supercollection a{width:100%;display:block}.supercollection li:active:after,.collection-items.thumbnails li:active:after{position:absolute;background-color:#000;display:block;top:0;left:0;height:100%;width:100%;content:'';opacity:.2;border-radius:3px;pointer-events:none}#featured-topics{display:block}#featured-topics h3{text-align:center;width:90%;margin:10px auto;padding:2%;background-color:#00aed8;color:#fff;font-size:32px;font-weight:400;line-height:1}.site-nav-contents{column-count:1;-moz-column-count:1;-webkit-column-count:1}.site-nav-contents>li{padding:0}li.multiple-links a{display:inline!important;padding:0 10px}.multiple-links{color:#fff}.all-topics.site-nav-contents>div{padding:0}.supercollection>a{padding:10px 0;pointer-events:none}.site-nav .level-1 li{max-width:100%}.site-nav .level-1 a{color:#fff}.supercollection h3 a{pointer-events:none}.supercollection ul{max-height:0;overflow:hidden;padding:0}.supercollection ul.dropdown-toggled{max-height:600px;transition:max-height 2s cubic-bezier(.17,.04,.03,.94)}.supercollection ul{transition:max-height 2s cubic-bezier(.17,.04,.03,.94)}.supercollection{padding-left:0;background:#2983bf;margin:10px auto;width:80%!important;display:block;text-align:center;box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2);border-radius:3px}.supercollection h3{background:rgba(255,255,255,.2)}#alltopics .section{background:0 0}.section h2{background:#00aedb;margin-left:0;width:90%;display:none;margin:10px auto;padding:5px;line-height:28px}h1.all-topics{text-align:center;background-color:#00aedb;color:#fff;margin:10% auto;width:90%;padding:2% 0}h3.all-topics{font-size:20px}.n2 .supercollection,.n2 h2,.n10 .supercollection,.n10 h2{background:#0d94ca}.n3 .supercollection,.n3 h2,.n9 .supercollection,.n9 h2{background:#197aba}.n4 .supercollection,.n4 h2,.n8 .supercollection,.n8 h2{background:#2560a9}.n5 .supercollection,.n5 h2,.n7 .supercollection,.n7 h2{background:#324698}.n6 .supercollection,.n6 h2{background:#25336f}.supercollection h3{width:initial}paper-material.section.all-topics{background:0 0;margin:0}#featurepage-header .views{margin-left:0;display:block;margin:8% 0}.collection-items.thumbnails a.videoThumb{width:270px;height:131px}.videos li p{font-size:21px;line-height:21px}.videos .infoBar .details span{font-size:20px}paper-dialog.playlist-lesson{height:initial}#youtubedialog #player{width:100%!important;left:0!important}#youtubeplayer{padding:0}.collection-items.list li a{font-size:18px}.collection-items.list li{margin:10px 0}.listCollectionIcon{display:none}.collectionVideoView .videos li{width:100%;margin-top:17px;border-radius:3px;box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2)}.videos .videoThumb h4{font-size:20px;line-height:18px}.collectionVideoView .videos li p{display:none}.collectionVideoView .videos .wrapper{width:100%;position:initial!important}.videos .videoThumb{width:100%}.collectionVideoView .videos .infoBar{height:44px;margin:0;display:table;width:100%;text-align:center;font-size:20px;padding:12px 0}.collectionVideoView ul.videos{width:80%;margin:auto}.collection-items.thumbnails .nonseq a div{width:100%!important;text-align:center;font-size:20px}.collection-items.thumbnails .nonseq a div p{padding:0;text-align:center}.collection-content .learnmore .ampersand{height:260px}.learnmore li:nth-child(3),.learnmore li:nth-child(4){display:none}.collection-content .learnmore h2{font-size:40px;bottom:-5px}.collection-items.thumbnails .mobile-unfriendly{display:none!important}.collection-content .supercollection h3{font-size:20px}.page-nav{font-size:24px;padding:15px 0}.bread-crumb{display:none}#quizcontrol .progress{padding-left:0!important}#quizcontrol .footer-navigation-buttons{font-size:16px;width:100%;margin:auto;flex-wrap:wrap}#quizcontrol .footer-navigation-buttons paper-button{width:45%}#quizcontrol .footer-navigation-buttons .colored{width:94%!important;margin-top:10px}#quizcontrol .question-description{margin-left:0!important;margin-top:10px}#quizcontrol .question-description img{max-width:100%}#quizcontrol .question-content{padding-left:0!important}#quizcontrol .correct-icon,#quizcontrol .incorrect-icon{background:0 0}header .desktop-header{display:none}header .mobile-header{display:block!important;position:fixed;width:100%;z-index:100;top:0}header #page-top,header .navcollapsecontent a{background-color:#f0f1f2}.index-page header #page-top{background-color:#fff}.homeicon{position:absolute;width:140px;top:8px}.homeicon.en-new{width:initial;top:initial}.homeicon.es,.homeicon.pt{width:180px;top:13px}.material-icons.menu-icon{position:absolute;top:10px;font-size:24px;color:#4f4f4f;padding:5px;background:0 0}.material-icons.menu-icon-left{right:82px}.material-icons.menu-icon-right{right:45px}header #navdropdown{background-color:#fff;color:#00aedb;box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2);border-radius:5px;position:absolute;top:7px;right:8px}header #page-top{min-height:56px;border-bottom:solid 1px #fff}header #page-top .home-link{display:block;padding:14px 20px 9px}header #navcollapse{position:absolute;top:57px;z-index:100;width:103%;display:none;background-color:#38cfca}header .navcollapsecontent a{display:block;width:100%;background-color:inherit;margin:0;text-align:center;padding:10px 0;text-transform:uppercase;border-bottom:solid 1px #fff}header .navcollapsecontent a{color:#fff;background-color:#38cfca}header .language-picker a{display:inline-block!important;width:32%!important;border-right:solid 1px #fff;border-bottom:none!important}header .searchcontrol{position:relative;margin-top:-34px;background-size:cover}header .searchcontainer{position:absolute;background-color:#38cfca;width:100%;height:49px;top:34px}header .searchinput{display:inline-block;background-color:#fff;padding-left:40px;width:75%;height:30px;color:#6c6c6c;font-family:source sans pro;border:0}header input.searchinput:focus{outline:0}header .searchicon{display:inline-block;vertical-align:middle}header #gcfsearch{text-align:center;margin-top:9px}header #gcfsearch button{border:none;background:0 0;vertical-align:bottom;position:absolute;top:12px}#homepage{margin-top:20px}#homepage .front{background:initial;margin:5px auto;text-align:center;box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2);border-radius:3px}#homepage .tile.tall h3,#homepage #labs a h3{background:rgba(255,138,0,.9);font-size:20px}#homepage .tile,#homepage .tile.tall{height:45px}#homepage .tile.small{width:85%}#homepage #story,#homepage #labs,#homepage #mobile,#homepage #podcast,#homepage #featured,#homepage #edl,#homepage #reading,#homepage .back,#homepage #news,#home-page-header{display:none}footer,.push{height:110px}footer .desktopfooter{display:none}footer{padding:0;background:#eee!important;bottom:0;margin-top:40px}footer div.mobilefooter{width:100%;display:block!important;align-content:center;text-align:center;padding:10px 0;background:#eee;border-color:#38cfca}footer #copyrightMobile{width:50%;min-width:250px;margin-left:auto;margin-right:auto;font-size:10px;font-family:source sans pro;color:#707880;text-transform:uppercase;padding:0;background-color:#eee;line-height:1.5em;margin-top:7px}.globalicon{width:200px}.page-nav .pages span{display:none}.page-nav .pages .current-page,.page-nav .pages .current-page span{display:inherit}#content-area .listImage img{max-width:100%;padding:0;display:block;margin:10px auto}#content-area .listImage{margin:0}#content-area .floatLeft{float:none!important;padding:0!important}#content-area .floatLeft img{display:block;margin:10px auto}#content-area p img{max-width:100%;display:block;margin:auto;height:auto!important}#content-area p.moreInfo{margin:0!important}.textplus h3{text-align:center;margin-right:0!important}.textplus img{max-width:100%!important;height:auto!important}.text-plus-page header h1{line-height:.8}.text-plus-page header h2{margin-top:3%}#lessoncontent h4{font-size:1.6em!important}.textplus h4.center{margin:50px 0 20px}.top-page-nav .previous img,.top-page-nav .next img{width:48px!important}.textplus #video{margin-left:0!important}.textplus .leftImageFloat{max-width:100%!important;margin:10px auto!important;float:none!important}.textplus .leftImageFloat .imageBorder{padding:0;height:auto}.hotspot-content{display:none!important}#lessoncontent .imageBorder{padding:0!important}.textplus{margin-top:50px}.textplus #interactive{max-width:100%;margin:60px 0}.textplus iframe,#lessoncontent iframe{max-width:100%!important;margin:0!important;height:auto!important;min-height:280px!important}.mobile-warning #interactive:before{content:"NOTE: The content on this page was designed for full-sized devices (laptop, desktop, etc.) and is not accessible on small screens.";display:block;margin-bottom:10px;width:90%;background-color:#af4248;color:#fff;border-radius:3px;padding:10px 5%;font-size:14px;text-align:left}#mobile-warning{margin-bottom:10px;width:90%;background-color:#af4248;color:#fff;border-radius:3px;padding:10px 5%;font-size:14px}.mobile-warning-activated{display:block!important}#interactive iframe{display:none}.mobile-warning #interactive{display:block}.textplus object,.textplus embed,#lessoncontent object,#lessoncontent embed,#interactive div{max-width:100%}object{border:solid 1px #ddd;border-radius:3px;position:relative;display:block}.lgcanvas{max-width:100%!important;height:auto!important;margin:15px 0!important}.lgcanvas,.tooltip{border:solid 1px #ddd;border-radius:3px}.lgcanvas div,.tooltip .hotspot{display:none}.lgcanvas #bgimg,.tooltip img{max-width:100%;opacity:.1;position:relative!important}.lgcanvas:after,.tooltip:after,.lesson-flash-interactive:after{content:"This content will not display correctly on a small screen."!important;color:#000;font-size:16px;position:absolute;padding:20px;top:25%;left:0;right:0;background-color:#af4248;color:#fff;border-radius:3px;width:75%;margin:auto}#lessoncontent .bracket1,#lessoncontent .bracket2{background:0 0!important;padding:10px 0!important;margin:0 auto!important;max-width:100%;min-height:0!important;left:0!important}#lessoncontent .slideshow.math{left:0!important;margin:auto!important}#lessoncontent .slides_container{margin:auto!important}#lessoncontent .slides_control{left:0!important;margin:auto!important}#lessoncontent .slides_control li{left:0!important}#resourceContainer{padding:0!important}#resourceContainer p,#resourceContainer div{max-width:100%}.resourceResourceList,.resourcebottomBlock,.resourceEndOfBlock{height:auto!important;margin:0!important}#resourceContainer .resourceOuterCircle{margin:15px auto;width:300px;height:300px;float:none}#resourceContainer .resourceInnerCircle{width:200px;height:200px}#resourceContainer .resourceResourceNameblock{width:190px}#resourceContainer .resourceResourceName{width:190px;font-size:18px}#resourceContainer .resourceResourceDescription{font-size:16px;line-height:22px;width:160px}#resourceContainer .resourceMainTitle,#resourceContainer .resourceSectionName{font-size:50px}#infopages #infopage-wrapper{max-width:100%;border:none!important}#left-menu-wrapper{display:none}#infopages #infopage-content-wrapper{max-width:100%;float:none!important;border-left:0!important;padding:0!important}#infopages #infopage-content-wrapper p{margin:0 10px 20px!important}#infopages iframe{max-width:100%}#infopages #infopage-content-wrapper h1{padding:0 20px}#infopages img{max-width:100%}.videoslideshow-faq .slides_container{width:155px!important}.slides_container{margin:auto}#infopages .slideshowFAQPage ul{margin:0!important}#infopages .slideshowFAQPage ul li{margin:0!important}.videoslideshow-faq .slideshow.slideshowFAQPage{width:70%!important;margin:80px auto 20px}#infopages .videoslideshow-faq .videoslideshow-faq-header h2{float:none!important;margin:15px 0!important;text-align:center;font-size:24px!important}.videoslideshow-faq-header{position:relative}.videoslideshow-faq-header img{position:absolute;left:0;right:0;margin:auto}.videoslideshow-faq-header h2{position:absolute;left:0;right:0;margin:auto;top:45px}.slideshow .next{right:0!important}.slideshow .prev{left:0!important}#infopages .slideshow .next,#infopages .slideshow .prev{top:60px!important}#infopages .infopage-faq-category-links{text-align:center}#infopages .infopage-faq-category-links a{margin:0}#infopages .infopage-faq-category-links a img{margin:10px 0}#infopages #infopage-content-wrapper .backToTop{text-align:center;margin:15px 0 0 15px!important}.question span{position:relative!important}#infopages .info-support p br{display:none}#infopages .uvw-dialog-iframe{height:350px!important}.info-support .infopage-donate-img{margin:20px auto}.paypal-donate-form input[type=image]{margin:0 0 0 -22px!important;max-width:100%}.search-again{margin-left:0}.search-again .searchBox{width:90%;margin:auto;display:block;padding:0 10px}.gsc-results .gsc-cursor{margin-left:0;padding:0}.gsc-cursor-box{text-align:center!important}.signin label.forcheckbox{width:initial;right:initial;padding:0 10px}.account-container{max-width:100%}.divider{max-width:100%}.signin,.no-account{max-width:90%}.signin-page-title{display:none}.signin-container .signin,.signin-container .no-account{max-width:90%}.signin-container .no-account{height:155px}.username-password input{width:95%!important}.validation-summary-errors{padding:10px 0!important;max-width:90%;font-size:11px}.validation-summary-errors li{margin:6px 0 0 10px;text-align:center}.recover-container{width:90%!important;left:0;right:0;margin:auto;height:auto}.recover-container .divider{width:90%}.recover-container .formtxtbx{width:75%!important}.fieldMessage.recover-page{left:0;right:0;margin:auto;width:100%;padding:0;top:-43%}.fieldMessage.recover-page span{display:block;padding:10px}.register-container{width:90%!important;left:0;right:0;margin:auto}.register-container .divider{width:90%}.account-container.background{background:url(https://media.gcflearnfree.org/assets/account/myAccount-background.png);background-size:cover;padding:15px 0;height:675px!important;margin-top:10px}label.forcheckbox p{font-size:12px}label.forcheckbox p span{font-size:12px!important}.form-message.createaccount-page{display:none!important}#termsofuse #infopages{max-width:85%}#termsofuse #infopages p{margin:30px 0}.mobile-hide{display:none}.welcome-box{text-align:center;margin:35px 0}.profile-box-small{width:100%!important;margin:10px 0!important}div.ceusrow,div.daterow{display:none!important}.learning-history div img{position:initial!important}.learning-history div{vertical-align:middle;padding:10px 5px;font-size:14px}.num-completed{display:none}.asterisk-msg{margin:10% 0}#edit-dialog-content,#deactivate-dialog-content,#edit-dialog-content input{max-width:100%}.deactivate-button-text{display:none}.profile-box-large{margin-top:10px}.error-404 .breadcrumb{display:none}#errorpage.four-oh-four{margin:50px 0 0;background-size:contain;background-position-y:100%}#errorpage.four-oh-four .primary-img{float:none;width:100%}#errorpage h2{font-size:1.5em!important;line-height:1;margin-bottom:12px}.error-suggestions li{width:100%!important;margin:10px 0}.error-suggestions li+li{border-left:none!important}.error-suggestions{margin:25px 0!important}.corner-images-box{display:none}#errorpage p{line-height:1.2}#errorpage p.errorcode{margin-top:10px}.collection-items .print-button{display:none}.collection-content{max-width:100%}.collection-items .tutorial-info{width:inherit!important;max-width:75%!important}.collection-items li{margin-bottom:25px!important;height:140px!important}.collection-items li a .seq-num{font-size:50px!important}.completed-checkmark{position:absolute}}@media only screen and (max-device-width:359px){.transcript-button .button-text{display:none}}@media only screen and (min-device-width:320px) and (max-device-width:568px){#topFooterContent{font-size:70%!important;width:95%!important}#sectionOne,#sectionFour{width:42%;display:inline-block;float:none;margin-top:18px}.footer-links-container{width:90%;margin-left:0!important;margin-right:1px!important}}@media only screen and (min-device-width:320px) and (max-device-width:1024px){.flip .front,.flip .back{-o-transition-property:none!important;-moz-transition-property:none!important;-ms-transition-property:none!important;-webkit-transition-property:none!important;transition-property:none!important;-o-transform:none!important;-moz-transform:none!important;-ms-transform:none!important;-webkit-transform:none!important;transform:none!important;-webkit-animation:none!important;-moz-animation:none!important;-o-animation:none!important;-ms-animation:none!important;animation:none!important}}@-ms-viewport{width:device-width;}#content-area{position:relative;margin:0 77px}#content-area header{height:10px;margin:0 -15px;line-height:normal}#content-area h1{margin-bottom:-5px}#content-area .titlepageicons{float:right;margin:-25px 27px 0 0}#content-area .titlepageicons a{margin-right:5px}#content-area .titlepageicons img{margin-right:5px;cursor:pointer}.pagenumber{position:absolute;right:10px;margin-top:-10px}#content-area h2{font-size:20px;color:#a2a2a2}#corner-gradient-right,#corner-gradient-left{pointer-events:none}.top-page-nav{position:absolute;top:30px;right:37px}.top-page-nav .previous,.top-page-nav .next{display:inline-block;position:relative;width:23px;height:24px;overflow:hidden}.top-page-nav .previous img,.top-page-nav .next img{position:absolute;left:0;width:46px;height:24px}.top-page-nav .previous:hover img,.top-page-nav .next:hover img{left:-23px}.page-nav{clear:both;margin-top:24px;padding-top:15px;height:35px;line-height:35px;text-align:center}.page-nav .pages{background-color:#cdd0d3;padding:10px 9px;pointer-events:none}.page-nav .pages span{padding:9px}.page-nav .pages span span{margin-left:6px;padding:0 1px 0 0;cursor:default}.page-nav .previous,.page-nav .next{display:inline-block;position:relative;width:16px;height:21px;margin:0 5px -6px 8px;overflow:hidden}.page-nav .previous img,.page-nav .next img{position:absolute;left:0;width:32px;height:21px}.page-nav .previous:hover img,.page-nav .next:hover img{left:-16px}.fullpage-nav .previous,.fullpage-nav .next{display:inline-block;width:45%;position:relative}.fullpage-nav .next{float:right;text-align:right}.fullpage-nav .arrow-box{display:inline-block;position:relative;height:19px;width:15px;overflow:hidden}.fullpage-nav a,.arrow-box{vertical-align:middle}.fullpage-nav a{margin:0 3px;width:90%;display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fullpage-nav #prev,.fullpage-nav #next{position:absolute}.fullpage-nav #next{right:-16px}.fullpage-nav .next:hover #next{right:0}.fullpage-nav .previous:hover #prev{left:-16px}.fullpage-nav .full-page-divider{border-bottom:1px solid #d4d6d9;margin:50px auto;display:block;width:50%;clear:both}.page-nav .current-page{background:url(https://media.gcflearnfree.org/assets/icons/textplus/bottom-nav-orange-circle.png) no-repeat center;color:#fff;font-weight:700}.page-nav a{color:#fff;font-weight:700;pointer-events:initial!important}.lesson{color:#4e4e4e}.lesson a{color:#00acd7;font-weight:700;text-decoration:none}.lesson a:hover{color:#0089ac;text-decoration:underline}.lesson a:visited{color:#324698}.lesson ol,.lesson ul{margin:0 50px 20px}.lesson h3{color:#4e4e4e;font-size:2.5em;line-height:1.05em;letter-spacing:-.02em;margin:1.8em auto .65em;font-weight:400}.lesson h4{color:#4e4e4e;font-size:1.6em;line-height:1.15em;margin:2em auto .8em;font-weight:400;letter-spacing:-.015em}h3+h4{margin:1.25em auto .8em!important}.lesson p{margin:1.27em auto;font-size:1em;line-height:1.5em}iframe{max-width:100%}.lesson .clearfl{clear:both}.lesson ul{list-style-type:none}.lesson ul li:before{content:"\25B6 \FE0E \0020";color:#0ad;font-size:.85em;margin-left:-1.8em;padding-right:.8em}.lesson ol li,.lesson ul li{max-width:100%;margin-bottom:.7em}.lesson ol li img,.lesson ul li img{margin:.72em auto .38em;text-align:center;height:auto!important}.lesson ul li img{display:inline-block}.lesson ol ul,.lesson ul ul,.lesson ol ol,.lesson ul ol{margin:0 30px}.lesson .diamondBullet{margin:0 53px 1.3em 15px}.lesson .diamondBullet li{list-style-type:none;margin:0 0 20px;padding-left:15px;border-left:10px solid #d2d4d7}.lesson .diamondBullet li:before{content:"";color:#505860;font-size:1.3em;margin-left:0;padding-right:0}.lesson li p br{display:none}.lesson ol{counter-reset:li;list-style:none;*list-style:decimal;font-family:source sans pro,lucida sans unicode,sans-serif;position:relative;padding:0;text-shadow:0 1px 0 rgba(255,255,255,.5)}.lesson ol li{min-height:65px}.lesson ol li:before{content:counter(li);counter-increment:li;background:#0ad;color:#fff;font-size:1em;line-height:1.9em;position:absolute;height:2em;width:2em;text-align:center;border-radius:2em;transition:all .3s ease-out;margin-top:-.25em;margin-left:-2.6em}.lesson ol li li:before{content:none;counter-increment:none}.lesson ol li p{max-width:100%;margin-left:0}.lesson ol li .leftImage{margin:auto}.lesson ol li .centerImage img{max-width:100%;height:auto!important}.lesson img{max-width:100%;height:auto!important}.imgBoxShadow img{box-shadow:0 0 8px 1px rgba(0,0,0,.08)}.lesson .ict img{max-width:initial}.lesson .ict.tooltip,.lesson .video-embed,.fullWidthImage{margin:0 -77px}.lesson .video-embed{text-align:center}.lesson .centerImage{position:relative;text-align:center;margin-bottom:.38em}.lesson .leftImage{margin:0 auto 1.3em}.lesson .storyline-wrapper{text-align:center;margin:0 -145px}.lesson .interactive-wrapper{text-align:center;margin:0 -145px;padding-top:30px;padding-bottom:30px}.lesson .imageCaption{display:none}.lesson .moreInfo,.lesson .undo,.lesson .new{clear:both;min-height:35px;background:url(https://media.gcflearnfree.org/assets/splats/moreinfoasterix.png) no-repeat;padding:0 50px;margin:1.27em 0}.lesson .moreInfo.clearfl{clear:both;max-width:700px;min-height:35px;padding:0 50px;margin:1.27em 0}.lesson .attention,.lesson .glitch{clear:both;max-width:700px;min-height:38px;background:url(https://media.gcflearnfree.org/assets/splats/attention.png) no-repeat;padding:.25em 50px;margin:1.02em 0}.lesson .moreInfo.attention{max-width:700px;background:url(https://media.gcflearnfree.org/assets/splats/attention.png) no-repeat!important}.lesson .chevron{max-width:676px;background:url(https://media.gcflearnfree.org/global/layout/lesson/chevron-2018-2.png) no-repeat;padding:0 50px;margin:1.27em 0;background-position-y:.25em}.lesson .trythis{clear:both;background:url(https://media.gcflearnfree.org/assets/splats/trythis_callout.png) no-repeat;height:auto;margin-top:40px;margin-left:0;padding:80px 0 3px 30px}.lesson .trythis_math{clear:both;background:url(https://media.gcflearnfree.org/assets/splats/trythis_callout.png) no-repeat;height:auto;margin-top:40px;margin-left:0;padding:80px 0 3px 30px}.lesson .moreresources{clear:both;background:url(https://media.gcflearnfree.org/assets/splats/moreresources_callout.png) no-repeat;height:auto;margin-top:40px;padding:80px 0 3px 30px}.calloutTextBox{position:absolute;padding:23px 30px;z-index:1000;background-color:#e4e6e9;color:#707880;border-width:3px;border-color:#fff;border-style:solid;font-size:19px;line-height:24px}.lesson .slideshow li:before{display:none}.lesson .slideshow ul,.lesson .slideshow ol{margin:initial}.lesson .slideshow li img{margin:initial;text-align:initial;box-shadow:none!important}.lesson .slideshow a img{box-shadow:none!important}.lesson .slideshow li img{height:initial!important}.lesson .probCentered{padding-left:36px;padding-right:140px;font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:32px;text-align:center}.mathIntContainer img{box-shadow:none}.lesson .full-page-divider{border-bottom:1px solid #d4d6d9;margin:60px auto;display:block;width:50%}.fullpage-nav{margin-bottom:40px}.languageRollover{color:#768335!important;cursor:pointer;text-align:center}.languageRollover:hover{color:#a4b93e!important}.translateAudio{cursor:pointer}.lesson .guide-flowchart{margin:0 auto!important;list-style-type:none!important;width:350px;text-align:center}.lesson .guide-flowchart>li{margin:20px;background-color:#d7f0f8}.lesson .guide-flowchart li:before{content:none!important}.lesson .guide-flowchart li:hover{background-color:#e9f8ff}.lesson .guide-flowchart a{display:block;padding:28px 34px;font-size:1.13em;line-height:1.2em;font-weight:regular;text-decoration:none!important;color:#249fd0!important}#lessonNavSidebar{position:fixed;z-index:200;width:370px;padding-left:15px;top:32%;right:0}.uk-panel-box{background:#f5f5f5;padding:15px}.uk-panel-box a{color:#444}#sideNavContainer{position:relative;border:1px solid #ccc}#sideNavContainer ul{margin-left:5px}#sideNavContainer ul li{padding:1px 5px}#sideNavControl{background-color:#fff;position:absolute;height:25px;border-radius:50px;margin:0 0 0 -30px;padding:5px;cursor:pointer;visibility:hidden}#sideNavControl img{width:20px}.uk-active{background:#4e7e9a}.uk-active a{color:#fff}.lesson-sidenav-parentheader{display:block;text-transform:uppercase;font-size:14px;font-weight:700}.lesson-sidenav-childheader{display:block;font-size:14px;font-weight:400;padding-left:10px}.rightImage{float:right;margin:6px 15px 1.3em 32px}.rightImage h4{padding-top:0;margin-bottom:8px;margin-right:5px}.leftImageFloat{float:left;margin:1em 30px .75em 20px}.clearfl{clear:both}.hasfloat{overflow:auto}.floatLeft{float:left;padding-right:15px;margin-bottom:1em}.listImage{text-align:center;margin-bottom:1em}.lesson img{display:block!important;margin:auto}#page-header{position:fixed!important}#page-wrapper{padding-top:161px;width:853px}.sub-header{height:50px}.sub-header h1 a{text-decoration:underline}#subheaderContentContainer .header-nodesc .title-content{width:680px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;padding-top:8px;margin:auto;top:100px}#subheaderContentContainer .header-nodesc .title-content h2{font-weight:600}#subheaderContentContainer .header-nodesc .title-content h1,#subheaderContentContainer .header-nodesc .title-content h2{display:inline;font-size:25px}#subheaderContentContainer .header-tutorial-link{position:absolute;top:10px;right:0;background-color:#fff;border-radius:30px;color:#324698;font-size:17px;padding:1px 10px}#header-img{display:none}.back-to-tutorial-mobile{display:none!important}#subheaderContentContainer .header-tutorial-link:hover{background-color:#324698;color:#fff}.loading-spinner{width:50px;margin:60px auto 100px;display:block}.divider-box{position:relative;text-align:center;margin:80px auto 50px}.infinite-scroll-divider{background:#ececed;padding:1px;text-align:center;color:#bdbdbd;position:absolute;width:100%;top:18px;z-index:1}.divider-box h4{margin:auto;position:relative;background-color:#fff;color:#bdbdbd;display:inline;padding:0 10px;z-index:2}.print-button:hover{border-bottom:none!important}.print-button img{width:20px;margin-left:5px}#first-divider{display:none}footer{margin:0;z-index:200;background:#fff}.down-arrow{display:none}.push{display:none}.footer-drag-handle{display:inline-block}.print-header{display:none}@media print{html,body{height:initial}img{page-break-before:auto;page-break-after:auto;page-break-inside:avoid}.primary-header,.fullpage-nav,footer,#page-header,#lessoncontent .infinite-nav{display:none}.print-header{display:block}.print-header .print-header-wrapper{background-color:#fff!important;position:relative!important;width:980px;margin:20px auto}.print-header .print-header-wrapper h1{float:left;font-size:18px}.print-header .print-header-wrapper div{color:#707980}.print-header .print-first-title{font-size:30px;font-weight:400}.print-header .print-second-title{font-weight:700}.print-header .logo{float:right;height:60px;margin-top:13px;max-width:250px}#background #page-wrapper{padding-top:100px!important}}@media only screen and (max-device-width:960px){.print.mobile-header a{color:inherit}.print.mobile-header .logo-link{display:block!important}.print.mobile-header{position:relative!important}.print.mobile-header .logo{width:50%;margin:25px auto 0;display:block}.print.mobile-header h1{margin-top:20px!important}}.infinite-nav a{cursor:pointer;background:#fff;color:#00acd7;font-size:21px;font-weight:400;text-decoration:none;width:30%;margin:0;padding:10px 30px;border-radius:40px;border:solid 2px #00acd7}.infinite-nav a:hover{background-color:#00acd7;color:#fff!important;text-decoration:none}.infinite-nav a:visited{color:#00acd7}.infinite-nav .nextLoadMore{position:relative}.infinite-nav .nextLoadMore span{margin-left:10px}.infinite-nav .continue-arrow{position:absolute;top:13px;left:8px;box-shadow:none}.infinite-nav{text-align:center;margin:75px 0}.lesson p.scroll-trigger{clear:both;line-height:4em}.infinite-nav .material-icons{vertical-align:middle;margin-right:8px}.infinite-nav span{vertical-align:middle;white-space:pre;overflow:hidden;max-width:70%;text-overflow:ellipsis;display:inline-block}.infinite-nav.lastLesson{text-align:center}.infinite-nav.lastLesson a{float:none;display:inline-block}.mouse-activity img{box-shadow:none}.ma-click{text-align:center}.ma-click button{padding:15px 25px;font-size:24px;text-align:center;cursor:pointer;outline:none;color:#fff;background-color:#00acd7;border:none;border-radius:15px;box-shadow:0 9px #999}.ma-click button:active{background-color:#0094b9;box-shadow:0 5px #666;transform:translateY(4px)}.ma-click .activity-bc-response{height:30px;font-size:16px;margin:25px auto 0}.ma-rollover{text-align:center}.ma-rollover button{vertical-align:middle;margin-right:20px}.rollover-1{width:150px;font-size:24px;text-align:center;cursor:pointer;outline:none;color:#fff;background-color:#ff8a28;border:none;border-radius:4px;padding:15px 25px}.rollover-1:hover{background-color:#404040}.ma-rollover .rollover-2{border-radius:4px;background-color:#324698;border:none;color:#fff;text-align:center;font-size:24px;padding:15px 25px;width:150px;transition:all .5s;cursor:pointer}.ma-rollover .rollover-2 span{cursor:pointer;display:inline-block;position:relative;transition:.5s}.ma-rollover .rollover-2 span:after{content:'\00bb';position:absolute;opacity:0;top:0;right:-20px;transition:.5s}.ma-rollover .rollover-2:hover span{padding-right:25px}.ma-rollover .rollover-2:hover span:after{opacity:1;right:0}.ma-rollover .rollover-3{width:150px;border:none;background:#404040;color:#fff!important;font-size:24px;font-weight:100;padding:15px 25px;border-radius:4px;display:inline-block;transition:all .3s ease 0s;cursor:pointer}.ma-rollover .rollover-3:hover{color:#404040!important;font-weight:700!important;letter-spacing:3px;background:0 0;-webkit-box-shadow:0 5px 40px -10px rgba(0,0,0,.57);-moz-box-shadow:0 5px 40px -10px rgba(0,0,0,.57);transition:all .3s ease 0s}.double-click-window{position:relative;width:600px;height:300px;background-color:#4cd282;border:1px solid #6b6b6b;margin:0 auto}.desktop-item-wrapper{position:absolute;width:70px;height:75px;text-align:center;top:15px;left:10px}.desktop-item-wrapper .desktop-item-caption{color:#000;font-size:14px;display:block;margin-top:-5px}.ma-folder{cursor:pointer}.ma-file{cursor:pointer}.folder-header{background-color:#e4e4e4;position:absolute;width:270px;top:0;left:0;color:#4e4e4e;text-align:center;font-weight:600;padding:2px 0}.dc-folder-open{display:none;width:250px;height:180px;background:#fff;font-size:16px;border:1px solid #d7d7d7;padding:20px 10px 10px;position:absolute;top:45px;left:80px;z-index:10}.dc-folder-open .desktop-item-wrapper{top:45px;left:10px}.dc-file-open{display:none;width:250px;height:180px;background:#fff;font-size:16px;border:1px solid #d7d7d7;padding:10px;position:absolute;top:80px;left:237px;z-index:15}.dc-file-open .desktop-item-wrapper{top:45px;left:2px}.dc-folder-open .ma-description,.dc-file-open .ma-description{font-size:15px;margin-top:120px}.dc-file-open .ma-description{margin-top:120px}.double-click-status{width:580px;height:30px;font-size:16px;margin:15px auto 0}.robot-wrapper{position:relative;background-image:url(https://media.gcflearnfree.org/assets/interactives/mouse/robot/background.png);background-repeat:no-repeat;background-size:cover;width:699px;height:420px;padding:10px;border:1px solid #36454f}.robot-wrapper div{position:absolute}.robot-wrapper .robot-complete{display:none;background:#fff;border:1px solid #6b6b6b;position:absolute;width:325px;height:30px;font-size:16px;text-align:center;padding:10px}.robot-wrapper .head-bw{width:126px;top:299px;left:209px;z-index:1}.robot-wrapper .torso-bw{width:161px;top:10px;left:19px;z-index:10}.robot-wrapper .arm-left-bw{width:112px;top:322px;left:33px;z-index:11}.robot-wrapper .arm-right-bw{width:85px;top:200px;left:153px;z-index:9}.robot-wrapper .leg-left-bw{width:72px;top:30px;left:205px;z-index:1}.robot-wrapper .leg-right-bw{width:90px;top:186px;left:12px;z-index:1}.robot-wrapper .head-outline{width:126px;top:35px;left:501px}.robot-wrapper .torso-outline{width:161px;top:141px;left:483px}.robot-wrapper .arm-left-outline{width:112px;top:183px;left:565px}.robot-wrapper .arm-right-outline{width:85px;top:162px;left:426px}.robot-wrapper .leg-left-outline{width:72px;top:260px;left:546px}.robot-wrapper .leg-right-outline{width:90px;top:265px;left:464px}.robot-wrapper .head-color{display:none;width:126px;top:35px;left:501px}.robot-wrapper .torso-color{display:none;width:161px;top:141px;left:483px;z-index:10}.robot-wrapper .arm-left-color{display:none;width:112px;top:183px;left:565px;z-index:11}.robot-wrapper .arm-right-color{display:none;width:85px;top:162px;left:426px;z-index:9}.robot-wrapper .leg-left-color{display:none;width:72px;top:260px;left:546px}.robot-wrapper .leg-right-color{display:none;width:90px;top:265px;left:464px}.ma-drag{width:60px;height:60px;border-radius:40px;margin-top:10px;z-index:10}.drag-drop-window{position:relative;width:600px;height:375px;background-color:#4cd282;border:1px solid #6b6b6b;margin:0 auto}.dd-desktop-folder-2{top:106px}.dd-desktop-folder-3{top:197px}.dd-desktop-folder-4{top:287px}.dd-desktop-file-1{top:236px;left:196px}.dd-desktop-file-2{top:65px;left:492px}.dd-desktop-file-3{top:29px;left:165px}.dd-desktop-file-4{top:230px;left:90px}.dd-desktop-file-5{top:44px;left:336px}.dd-desktop-file-6{top:172px;left:325px}.dd-desktop-file-7{top:249px;left:457px}.dd-window-status{width:300px;height:30px;font-size:16px;margin:15px auto 0}.goodAtMathContainer{position:relative;margin:50px 0}.goodAtMathContainer img{box-shadow:none}#goodAtMathCanvas{border:1px solid #9e9e9e;width:699px;height:510px;background-image:url(https://gcflearnfree.blob.core.windows.net/assets/interactives/goodatmath-canvas/wallpaper.png);background-repeat:no-repeat;background-size:cover}#goodAtMathModal{display:none;position:absolute;background-color:#fff;background-repeat:no-repeat;background-size:cover;width:600px;height:438px;padding:10px;top:5%;left:6%;border-radius:5px}#goodAtMathModal .close-gam-overlay{position:absolute;width:42px;font-size:1.4em;font-weight:600;top:5px;right:5px;cursor:pointer}.numbers-selection{position:absolute;top:305px;left:296px}.numbers-selection span{width:16px;background-color:#ec7189;color:#000;text-align:center;display:inline-block;cursor:pointer;font-size:28px;font-weight:600;padding:5px;margin:1px}.gam-question{width:200px;position:absolute;top:120px;left:43px;color:#000;font-size:60px;font-weight:600;letter-spacing:10px;text-align:center}.gam-answer{width:200px;position:absolute;top:165px;left:360px;color:#fff;font-size:80px;font-weight:600;letter-spacing:10px;text-align:center}.menu-start{width:595px;margin:15px auto}.menu-start #additionAndSubtraction{height:70px;background-color:#88be48;margin-right:10px}.menu-start #multiplicationAndDivision{height:70px;background-color:#34b1ce}.menu-start .mix-problems{background-color:#ef9328}.menu-start #additionAndSubtraction,.menu-start #multiplicationAndDivision{width:290px;display:inline-block}.menu-start .math-menu-label{color:#fff;font-family:kalam!important;font-style:normal;font-weight:400;font-size:52px;margin:24px 34px 0 5px;display:inline-block;vertical-align:super;letter-spacing:-6px}.menu-start .math-level-one,.menu-start .math-level-two,.menu-start .math-level-three{width:45px;height:45px;display:inline-block;margin-top:3px;margin-right:15px}.menu-start .level-unlocked{cursor:pointer;background-image:url(https://media.gcflearnfree.org/assets/interactives/goodatmath-canvas/level-unlocked.png);background-repeat:no-repeat;background-size:cover}.menu-start .level-locked{background-image:url(https://media.gcflearnfree.org/assets/interactives/goodatmath-canvas/level-locked.png);background-repeat:no-repeat;background-size:cover}.menu-start .level-completed{margin:-11px 0 0 12px}.math-lets-play{font-size:20px;font-weight:600;margin:10px 0 10px 50px}.reading{padding:50px;min-height:100px;margin:0 -77px;position:relative}.reading{padding:0;overflow:auto}.reading,.reading span,.reading p{font-family:overpass,sans-serif;font-weight:300;color:#000}.reading .top-box p{margin:0;font-size:70px;font-weight:100;padding-top:65px}.reading .box{border-top:solid 2px #000;border-right:solid 2px #000;display:inline-block;margin:0;height:210px;width:240px;box-sizing:border-box;position:relative;float:left}.reading button{background:0 0;border:none;position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);margin:auto;cursor:pointer;padding:0}.reading img{box-shadow:none}.reading .box img{width:21%}.reading .box img.charimg{width:87%;max-height:180px}.reading .top-box{width:720px;box-sizing:border-box;height:210px;text-align:center;border-right:solid 2px #000}.reading .lower-half{height:50px;clear:both;border:solid 2px #000;position:relative}.lesson .sound-match .character{display:none}.reading .speechbubble{position:absolute;left:98px;top:-2px;z-index:2}.reading .charimg{position:absolute;left:0;right:0;bottom:0}.reading .submitbtn{border:none;background:0 0;display:none;left:initial;right:24px;top:213px}.reading .results{display:none;position:absolute;right:17px;top:175px}.reading .success.results{right:21px}.reading .results p{top:60px;position:relative}.results span{display:block;text-align:center;line-height:1.2em;font-weight:700}.bottom-bar .skipbtn{right:34px;left:initial;margin-top:1px}.skipbtn span{font-size:16px;margin-right:6px;vertical-align:bottom;font-weight:700}.skipbtn img{display:inline!important;width:14px}.box button img,.submitbtn img,.results button img{min-width:80px}.reading select{position:absolute;text-transform:uppercase;top:0;left:0;padding:0 35px 0 20px;border-right:solid 2px #000!important;height:100%;width:720px;cursor:pointer;font-family:overpass,sans-serif;border:none;font-size:16px;font-weight:700;appearance:none;-webkit-appearance:none;-moz-appearance:none;-ms-appearance:none;background:inherit;background-repeat:no-repeat;background-position:685px}.upper-half{height:420px;margin-bottom:5px;border:solid 2px #000}.upper-half,.lower-half{background:#f4f1ec}.box.active{background:#7bbfe3}.voice-arrow{display:none;height:25px;width:25px;transform:rotate(45deg);background:#fff;position:absolute;left:0;right:0;margin:auto}.up-arrow{border-top:solid 2px #000;border-left:solid 2px #000;top:-15px;background:#7bbfe3}.down-arrow{background:#f4f1ec;border-bottom:solid 2px #000;border-right:solid 2px #000;top:-14px}.select-arrow{display:block;margin:0;left:auto;height:7px;width:7px;top:18px;right:155px}.right-arrow{border-bottom:none;border-top:solid 2px #000;display:inline-block;margin:0;left:auto;height:7px;width:7px;top:-4px;margin-left:-6px;position:relative}.active .voice-arrow{display:block}.reading button img:hover{filter:contrast(90%)}@media only screen and (max-device-width:960px){.reading .top-box{height:125px;width:81%}.reading .top-box p{padding-top:30px}.reading .box{height:125px;width:27%}}.word-sound .character-box{max-width:100%;height:100%;position:relative}.word-sound .charimg{max-width:27%}.word-sound .box button{font-size:30px}.word-sound .top-box button img{min-width:80px;position:absolute;right:-165px;top:-15px}.code-input{border:solid 1px #ddd;background:#eee;padding:10px;border-radius:5px}.code-input textarea{width:70%;max-width:70%;border:1px solid #ddd;padding:10px;height:68px;box-sizing:border-box;margin:0;display:inline-block;vertical-align:middle;border-radius:5px}.code-input .linkblue-button{padding:25px 0;border-radius:5px;font-size:14px;width:29%;display:inline-block;vertical-align:middle;margin-left:1%}.code-input .htmldemo,.code-input .htmldemo2{height:125px;border:dotted 2px #ddd;border-radius:5px;background:#fff;padding:25px;margin-top:5px;overflow-y:scroll}.code-input .htmldemo h3,.code-input .htmldemo h4{margin:0}.code-input .htmldemo button{background-color:#00acd7;border:none;color:#fff;cursor:pointer;border-radius:5px;font-size:14px;padding:15px}.code-input .htmldemo button:hover{background-color:#0089ac}.code-input.html .htmldemo{display:none}.code-input .css-box{background:#fff;display:inline-block;padding:0 6px;border-radius:3px;margin-top:7px;border:solid 1px #ddd;font-size:14px;float:right}.code-input .css-box input{vertical-align:middle}#content-area .htmldemo2 h1,#content-area .htmldemo2 h2,#content-area .htmldemo2 h3,#content-area .htmldemo2 h4,#content-area .htmldemo2 p{margin:initial;outline:initial;color:initial;font-size:initial;font-weight:initial;font-family:initial;background:initial;border:initial;border-radius:initial;line-height:initial}#content-area .html p{margin-top:1em;margin-bottom:1em}#content-area .html h1{font-size:2em;margin-top:.67em;margin-bottom:.67em;font-weight:700}#content-area .html h2{font-size:1.5em;margin-top:.83em;margin-bottom:.83em;font-weight:700}#content-area .html h3{font-size:1.17em;margin-top:1em;margin-bottom:1em;font-weight:700}#content-area .html h4{font-size:1em;margin-top:1.33em;margin-bottom:1.33em;font-weight:700}.js.code-input .htmldemo{height:28px}.error.htmldemo{border:dotted 1px #a63232}p.scriptInputError{text-align:center;margin:0}.css.code-input{position:relative}.css .linkblue-button{position:absolute;top:12px;width:28%;padding:15px 0}.css .linkblue-button.run{right:215px}.css .linkblue-button.clear{right:12px}.css.code-input textarea{width:40%;height:230px;display:inline-block;box-sizing:border-box;padding:30px 25px}.css .htmldemo{width:59%;height:177px;display:inline-block;vertical-align:bottom;box-sizing:border-box}.css .selector{position:absolute;font-family:monospace;color:#ccc;left:22px}.css .selector-top{top:10px;left:22px}.css .selector-bottom{bottom:12px;left:22px}pre{background:#f4f4f4;border:solid 1px #ddd;border-left:5px solid #00acd7;page-break-inside:avoid;font-family:monospace;line-height:1.6;padding:1em 1.5em;word-wrap:break-word;border-radius:3px;overflow-x:auto}li pre{margin:10px 0}code{background:#f4f4f4;padding:2px 5px;border-radius:3px;color:#00acd7;font-family:monospace;font-size:16px;border:solid 1px #ddd;margin:0 2px;line-height:1}.activity.practice .score{display:none}.answers input[type=checkbox],.answers input[type=radio]{display:none}.answers #choices{display:flex;flex-wrap:wrap;justify-content:space-between;margin-top:35px;clear:both}.answers #choices.choice-img{justify-content:center}.quiz-frame input[type=submit],.quiz-frame .retry-button{float:right;padding:15px;border:none;border-radius:50px;width:150px;font-family:inherit;font-size:19px;background:#00acd7;cursor:pointer;color:#fff;margin-top:20px;margin-bottom:10px}.quiz-frame input[type=submit]:hover,.retry-button:hover{background:#009ac1;color:#fff}.answers input+label{background:#eee;padding:20px 30px;flex-basis:40%;margin:7px 0;cursor:pointer;display:flex;align-items:center;border-radius:3px;border:solid 4px #eee}.reviewing .answers input+label{pointer-events:none;background-color:rgba(238,238,238,.5);border:solid 4px transparent;color:rgba(78,78,78,.5)}.answers input:checked+label{color:#fff;background-color:#00acd7;border:solid 4px #00acd7}.reviewing .answers input:checked+label{background-color:rgba(0,172,215,.5);border:solid 4px transparent}.answers input+label:hover{background-color:#ddd;border:solid 4px #ddd}.answers input:checked+label:hover{color:#fff;background-color:#009ac1;border:solid 4px #009ac1}.answers .choice-img input+label{padding:0;margin:0 2px;flex-basis:23%;display:block;border:solid 5px #fff;box-sizing:content-box;background-position:center;background-size:contain;background-repeat:no-repeat}.answers .choice-img input+label:hover{border:solid 5px #ddd}.answers .choice-img input:checked+label{border:solid 5px #00acd7;box-shadow:0 0 5px #aaa}.reviewing #answers .choice-img input:checked+label{border:solid 5px rgba(0,172,215,.5);box-shadow:0 0 5px #aaa}.answers .choice-img input+label:before{display:block;content:'';width:100%;padding-top:100%;float:left}.answers .choice-img input:checked+label:before{width:100%;background:#00acd7!important;opacity:.2!important}.answers input.correct+label{border:solid 4px #1bb28a!important}.answers .choice-img input.correct+label{border:solid 5px #1bb28a!important}.reviewing #answers .choice-img input+label:before{background:#eee;opacity:.5}.question.with-image{display:flex}.question.with-image div{flex-basis:50%}.question.with-image div+div{margin-left:48px}.quiz-results{display:none}.lesson p.feedback{display:none;float:right;margin-right:48px;font-size:19px;margin-top:32px}.lesson p.feedback span{font-size:28px;vertical-align:bottom;margin-right:5px;font-weight:700}.feedback-incorrect{color:#e15526}.feedback-correct{color:#1bb28a}.quiz-results .score{position:relative;display:block;width:100%;text-align:center}.quiz-results .final-score{position:absolute;margin:auto;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;font-weight:700;font-size:50px}.quiz-results .circle-progress{display:inline-block}.quiz-frame{margin:35px -77px;border-radius:5px;padding:80px 48px 48px;box-shadow:0 0 8px 1px rgba(0,0,0,.08)}.lesson h3.quiz-header{background:#ffd401;color:#fff;font-size:30.5px;letter-spacing:0;font-style:italic;padding:16px 50px;margin:-80px -48px -20px;border-radius:5px 5px 0 0;text-shadow:0 3px 3px rgba(0,0,0,.12);font-weight:600}.quiz sup,.quiz sub{line-height:1;font-size:14px}.quiz sup{margin-right:1px}.quiz sub{margin-left:2px}@media only screen and (max-device-width:960px){.quiz-frame{margin:0;max-width:100%}.lesson h3.quiz-header{text-align:left;padding:16px}.question{display:block}.answers input+label{flex-basis:100%;padding:20px 15px}.lesson p.feedback{float:none;position:absolute;margin-top:0}.quiz-frame input[type=submit]{margin-top:35px}.quiz-frame{padding:15px}.lesson h3.quiz-header{margin:-15px}.answers .choice-img input+label{flex-basis:44%}#content-area p.question img{float:none;margin-top:10px}.question{flex-direction:column}.question.with-image div+div{margin-left:0}.answers #choices{margin-bottom:5px}}#uservoice-satisfaction{right:60px!important}@media only screen and (max-width:1120px){.logo-en,.logo-es,.logo-pt{display:none}#page-header .logo{margin-top:18px}}@media only screen and (max-width:960px){#page-header{min-width:initial}.header-nodesc h1{width:initial!important}.headerfooter-content-wrapper{width:initial!important}}@media only screen and (max-width:850px){.header-print-link{display:none!important}.logo-link{display:none!important}}@media only screen and (max-width:500px){.topnav-language{display:none!important}.topnav-sls-container{width:65%!important;right:initial;left:10px}}@media only screen and (max-width:300px){.topnav-sls-container{width:65%!important;right:initial;left:10px}}@media only screen and (min-device-width:320px) and (max-device-width:960px){div#lessoncontent{margin-left:30px}.back-to-tutorial-mobile{background:#38cfca;position:fixed;left:-45px;top:295px;color:#fff;width:108px;z-index:100;transform:rotate(-90deg);padding:7px;text-align:center;font-size:14px;border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;display:block!important}.video-embed>iframe{width:100%!important;height:auto!important}.lesson ol,.lesson ul{max-width:90%;margin:0 2em 1.3em}.lesson{margin-top:20px}.lesson img{max-width:100%!important;height:auto!important}.lesson ol li img,.lesson ul li img{margin:1.25em auto;text-align:center;max-width:100%!important;height:auto!important}#featurepage-header h1{line-height:1em}.top-page-nav{position:absolute;top:120px;width:90vw}.top-page-nav .previous,.top-page-nav .next{display:inline-block;position:relative;width:24px;height:24px;overflow:hidden;margin:1em}.top-page-nav .next{position:absolute;right:0}.lesson h3{color:#505860;font-size:2.5em;line-height:1.05em;letter-spacing:-.02em;text-align:center;margin:1.8px 0 .65px;font-weight:400;clear:both}.lesson .ict.tooltip,.lesson .video-embed,.fullWidthImage{margin:0}#lessoncontent .video-embed{position:relative;padding-bottom:56.25%;overflow:hidden;height:0}#lessoncontent .video-embed iframe{position:absolute;left:0;right:0;width:100%;height:100%!important;min-height:0!important}.lesson .numbered-list{max-width:90vw}.lesson .numbered-list li{margin:10px 0 10px 1.5em;max-width:92%;min-height:65px}.lesson .numbered-list li:before{content:counter(li);counter-increment:li;background:#0ad;color:#fff;font-size:1.19em;line-height:1.5em;position:absolute;height:1.5em;width:1.5em;text-align:center;border-radius:2em;transition:all .3s ease-out;margin-top:-.3em;margin-left:-1.8em}header h1,header h2{text-align:center}header h1{margin-top:70px!important}header .titlepageicons{float:none!important;margin:0!important;position:absolute;right:0;top:15px}#socialmedia-stats{display:none}.textplus h3:first-of-type{margin-top:75px}.infinite-nav a{float:none!important;display:block;margin:25px auto;width:75%;padding:10px 20px;text-align:center}#lessonNavSidebar{display:none}.mobilefooter{border-top:solid 5px}footer{bottom:-105px}}@media only screen and (max-width:630px){.topnav-sls-container .logo-link{display:none!important}.header-nodesc h1{top:58px!important}}@media only screen and (max-width:1120px){#lessonNavSidebar{display:none}.topnav-sls-container{width:40%}}.rtl-lesson ol li:before{margin-right:-2.6em}.rtl-lesson ul li:before{content:"\25C0 \0020";color:#0ad;font-size:.85em;padding-left:2.6em;margin-right:-2.6em}.rtl-lesson .moreInfo,.rtl-lesson .undo,.rtl-lesson .new{background-position:top right}.rtl-lesson .attention,.rtl-lesson .glitch{background-position:top right}.rtl-lesson .chevron{background:url(https://media.gcflearnfree.org/global/layout/lesson/chevron-2018-2-rtl.png) no-repeat;background-position:top right}.slideshowlist li{padding:0;margin:0 106px 0 0}.slideshow{position:relative;margin:30px auto 20px}.slideshow.noshdw,.slideshow.math{-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none}.slides_container{overflow:hidden;position:relative;margin:0}.slides_container ul{margin:0}.slides_container li{display:block;margin:0;position:absolute;top:0;z-index:0}.slides_container li li:nth-child(1){visibility:visible!important}.slideshowlist li img,.slides_container li img{display:block;margin:0 auto}.slideshowlist p,.slides_container p{position:relative;font-size:16px;padding:25px 5px;font-family:source sans pro!important;background:#fff;color:#324698}.slideshowlist.math p,.slideshow.math .slides_container p{font-size:23px;background:0 0;color:inherit;padding:0 40px}.slideshow .next,.slideshow .prev{position:absolute;left:-35px;width:27px;height:46px;display:block;z-index:101}.slideshow .next{left:auto;right:-27px}.slideshow.math .prev{left:-10px}#textplus .bracket2 .prev{left:13px}#lessoncontent .bracket2 .prev{left:13px}.slideshow.math .next{right:-10px}.slides_container .centerImage{margin:10px auto 20px}.slides_container iframe{margin:0 auto 10px}.bracket1 .slideshow.math .prev{left:5px}.bracket1 .slideshow.math .next{right:-59px}.bracket2 .slideshow.math .prev{left:5px}.bracket2 .slideshow.math .next{right:-59px}div.pagination{background:#fff;padding:6px 0;margin:0 0 20px}.slideshow.math div.pagination{display:none}div.pagination ul{height:12px;margin:0 auto!important}div.pagination li{float:left;margin:0 1px;list-style:none}div.pagination li a{display:block;width:12px;height:0;padding-top:13px;background:url(https://media.gcflearnfree.org/assets/site/slideshow/css/pagination2.png) no-repeat 0 0;float:left;overflow:hidden}div.pagination li.current a{background-position:0 -13px}#textplus .bracket1,#textplus .bracket2{background:url(https://media.gcflearnfree.org/assets/site/slideshow/css/bracket_375.png) no-repeat;background-size:700px auto;min-height:375px;width:500px;margin:0 auto;padding:10px 110px 0 91px}#textplus .bracket1 .slideshow,#textplus .bracket2 .slideshow{left:-50px!important}#textplus .bracket2{background:url(https://media.gcflearnfree.org/assets/site/slideshow/css/bracket_575.png) no-repeat;min-height:575px}#textplus .bracket1 .slideshow,.text-plus-page .bracket2 .slideshow{margin:0;position:relative}#textplus .slides_control li{margin-left:0}#textplus .slides_control li p{margin-left:0}#textplus .slides_control li .equationBlock{margin-bottom:0}#lessoncontent .bracket1,#lessoncontent .bracket2{background:url(https://media.gcflearnfree.org/assets/site/slideshow/css/bracket_375.png) no-repeat;background-size:700px auto;min-height:375px;width:500px;margin:0 auto;padding:10px 110px 0 91px}#lessoncontent .bracket1 .slideshow,#lessoncontent .bracket2 .slideshow{left:-50px!important}#lessoncontent .bracket2{background:url(https://media.gcflearnfree.org/assets/site/slideshow/css/bracket_575.png) no-repeat;min-height:575px}#lessoncontent .bracket1 .slideshow,.text-plus-page .bracket2 .slideshow{margin:0;position:relative}#lessoncontent .slides_control li{margin-left:0}#lessoncontent .slides_control li p{margin-left:0}#lessoncontent .slides_control li .equationBlock{margin-bottom:0}#lessoncontent .bracket1 ul,#lessoncontent .bracket1 ol,#lessoncontent .bracket2 ul,#lessoncontent .bracket2 ol{margin:0}#lessoncontent .slides_container li{max-width:none}#lessoncontent .slides_container li p{margin:0}.lgcanvas{position:relative;min-height:500px}.lgcanvas div.pucontent *{margin:0;padding:0}.lgcanvas #bgimg{position:absolute;top:0;left:0}.lgcanvas div.hs{background:transparent url(https://media.gcflearnfree.org/assets/labeledgraphics/sprite_sheet.png) 0 0 no-repeat;width:26px;height:26px;cursor:pointer;position:absolute;z-index:99}.lgcanvas div.pu{border:solid 3px #fff;background:#e4e6e9;-moz-box-shadow:0 0 1px 1px #4e5359;-webkit-box-shadow:0 0 1px 1px #4e5359;box-shadow:0 0 1px 1px #4e5359;position:absolute;z-index:100;display:none}.lgcanvas div.pu h3.puhdg{padding:15px 18px 0;background:#e4e6e9;color:#4e5359;margin:0 0 8px;line-height:normal;font-weight:700;font-size:22px}.lgcanvas div.pu div.pucontent{padding:15px 20px 5px;font-family:source sans pro!important;color:#707880!important;font-size:16px!important;line-height:18px}.lgcanvas div.pu div.pucontent p{font-family:source sans pro!important;color:#707880!important;font-size:16px!important}.lgcanvas div.pu div.pucontent p span{font-family:source sans pro!important;color:#707880!important;font-size:16px!important}.lgcanvas div.pucontent p{margin-bottom:10px}.lgcanvas div.pucontent ol,.lgcanvas div.pucontent ul{margin:4px 0 8px 14px}.lgcanvas div.pucontent li{margin-top:4px}.textplus .lgcanvas div.pu h3,#lessoncontent .lgcanvas div.pu h3{color:#4e5359;font-size:22px;font-weight:700;line-height:1.1;margin:0}.textplus .lgcanvas p,#lessoncontent .lgcanvas p{margin:0 0 10px}.lgcanvas.t1 div.pu h3.puhdg{background:0 0}.textplus .lgcanvas.t1 div.pu h3,#lessoncontent .lgcanvas.t1 div.pu h3{color:#222}.ict{position:relative;display:inline-block!important}.ict-edit-option{display:none}.callout .hotspot{background:url(https://media.gcflearnfree.org/assets/ict/button_clicked_large.png) no-repeat center;background-size:22px 22px;position:absolute;z-index:80;width:22px;height:22px;cursor:pointer}.tooltip .hotspot{background:url(https://media.gcflearnfree.org/assets/ict/button_default_new.png) no-repeat center;background-size:20px 20px;position:absolute;z-index:60;width:22px;height:22px;cursor:pointer}.tooltip .hotspot:hover{background-size:22px 22px}.tooltip .hotspot.active-hs{background:url(https://media.gcflearnfree.org/assets/ict/button_clicked_large.png) no-repeat center;background-size:22px 22px;z-index:80}.hotspot-content{position:absolute;background-color:#fff;border:1px solid #fff;z-index:61;height:auto!important;font-family:source sans pro;text-align:left!important}.tooltip .hotspot-content.active-content{z-index:79}.hotspot-content h2{background-color:#f37e61;color:#fff!important;font-family:source sans pro!important;font-size:16pt!important;font-weight:700;letter-spacing:0!important;line-height:18pt;padding:20px 25px 5px}.hotspot-content p{border-left:2px solid #b6b9bc;border-right:2px solid #b6b9bc;border-bottom:2px solid #b6b9bc;color:#505860;font-size:12pt!important;line-height:1.5;max-width:98%!important;margin:0!important;padding:18px 25px 21px 23px}.tooltip .hotspot-content{display:none}.callout .hotspot-content{display:block!important}.hotspot-content .hsPosition{display:none}.hotspot-content .hsDelete{display:none}.new-resource-section{padding:1px 40px;background-color:#edeee5;box-shadow:inset 0 -80px 0 #fff}.new-resource-section h4{margin-top:38px;text-align:center;font-size:42px;font-weight:700;text-transform:uppercase}.new-resource-section+.new-resource-section{margin-top:-30px}.new-resource-list{margin:20px -240px!important;max-width:initial!important;display:flex;flex-flow:row wrap;justify-content:center}.new-resource-list li{position:relative;margin:15px;list-style-type:none;height:330px;width:330px}.new-resource-list a{position:relative;display:block;box-sizing:border-box;height:100%;width:100%;padding:20px 30px;text-align:center;font-size:18px;line-height:1.25;font-weight:400;border:40px solid #fff;border-radius:50%;color:#4e4e4e!important;z-index:1}.new-resource-list a:hover{text-decoration:none;background-color:rgba(255,255,255,.25)}.new-resource-list a strong{text-transform:uppercase;font-size:23px;line-height:.95;font-weight:400}.lesson ul.new-resource-list li:before,.lesson ul.new-resource-list li:after{position:absolute;top:0;right:0;bottom:0;left:0;margin:0;padding:0;content:"";border:40px solid #fff;border-radius:50%;background-color:#fff}.lesson .new-resource-section ul.new-resource-list li:before{-webkit-clip-path:polygon(0 115px,100% 115px,100% 100%,0 100%);clip-path:polygon(0 115px,100% 115px,100% 100%,0 100%);background-color:#bdf1e7;z-index:1}.lesson .new-resource-section:nth-child(3n - 1) ul.new-resource-list li:before{background-color:#e3e907}.lesson .new-resource-section:nth-child(3n) ul.new-resource-list li:before{background-color:#11f1af}@media(max-width:980px){.new-resource-list{margin:20px -100px!important}}.blue{color:#5a90c7;border-top-color:#5a90c7}.green{color:#50e3c2;border-top-color:#50e3c2}.red{color:#ef777e;border-top-color:#ef777e}.denom{text-align:center;border-top-style:solid;border-top-width:2px;padding-top:4px}.equation{color:#5a90c7;font-weight:700}.probKalam{padding-left:36px;padding-right:140px;font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:32px}.big{padding-left:0;padding-right:0;text-align:center;font-size:40px;line-height:40px}div .eq{display:inline-block;padding-left:36px;margin-right:auto;font-family:kalam!important;font-style:normal;font-weight:400;vertical-align:top;font-size:28px}div .txt{display:inline-block;width:360px;margin-left:74px;padding-bottom:19px;vertical-align:middle}table .fraction{text-align:center;vertical-align:middle;margin-top:auto;margin-bottom:auto;line-height:28px}.algTable{font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:28px;padding-left:33px;padding-top:5px;padding-bottom:5px}.algTable tr{}.algTable th{text-align:center;text-decoration:underline}.algTable th,.algTable td{text-align:center;padding-bottom:2px;padding-top:2px;padding-left:11px;padding-right:11px}.cancel{font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:28px;padding-left:33px;padding-top:5px;padding-bottom:5px}.cancel tr{}.cancel th{text-decoration:underline}.cancel th,.cancel td{text-align:right;padding-bottom:1px;padding-left:4px;padding-right:4px}.removepadding{padding:0}.lefText{text-align:left}.fract{font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:28px;padding-left:33px;padding-top:5px;padding-bottom:5px}.fract tr{}.fract th{text-decoration:underline}.fract th,.fract td{text-align:center;padding-left:4px;padding-right:4px}.center{text-align:center}.middle{vertical-align:middle;padding-right:10px;padding-left:10px}td .upper_line{border-top:solid 3px #707880}#lessoncontent .blue{color:#5a90c7;border-top-color:#5a90c7}#lessoncontent .green{color:#50e3c2;border-top-color:#50e3c2}#lessoncontent .red{color:#ef777e;border-top-color:#ef777e}#lessoncontent .denom{text-align:center;border-top-style:solid;border-top-width:2px;padding-top:4px}#lessoncontent .equation{color:#5a90c7;font-weight:700}#lessoncontent .probKalam{padding-left:36px;padding-right:140px;font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:32px}#lessoncontent .big{padding-left:0;padding-right:0;text-align:center;font-size:40px;line-height:40px}#lessoncontent div .eq{display:inline-block;padding-left:36px;margin-right:auto;font-family:kalam!important;font-style:normal;font-weight:400;vertical-align:top;font-size:28px}#lessoncontent div .txt{display:inline-block;width:360px;margin-left:74px;padding-bottom:19px;vertical-align:middle}#lessoncontent table .fraction{text-align:center;vertical-align:middle;margin-top:auto;margin-bottom:auto;line-height:28px}#lessoncontent .algTable{font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:28px;padding-left:33px;padding-top:5px;padding-bottom:5px}#lessoncontent .algTable tr{}#lessoncontent .algTable th{text-align:center;text-decoration:underline}#lessoncontent .algTable th,#lessoncontent .algTable td{text-align:center;padding-bottom:2px;padding-top:2px;padding-left:11px;padding-right:11px}#lessoncontent .cancel{font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:28px;padding-left:33px;padding-top:5px;padding-bottom:5px}#lessoncontent .cancel tr{}#lessoncontent .cancel th{text-decoration:underline}#lessoncontent .cancel th,#lessoncontent .cancel td{text-align:right;padding-bottom:1px;padding-left:4px;padding-right:4px}#lessoncontent .removepadding{padding:0}#lessoncontent .lefText{text-align:left}#lessoncontent .fract{font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:28px;padding-left:33px;padding-top:5px;padding-bottom:5px}#lessoncontent .fract tr{}#lessoncontent .fract th{text-decoration:underline}#lessoncontent .fract th,.fract td{text-align:center;padding-left:4px;padding-right:4px}#lessoncontent .center{text-align:center}#lessoncontent .middle{vertical-align:middle;padding-right:10px;padding-left:10px}#lessoncontent td .upper_line{border-top:solid 3px #707880}#lessoncontent .probCentered{padding-left:36px;padding-right:140px;font-family:kalam!important;font-style:normal;font-weight:400;font-size:28px;line-height:32px;text-align:center}.mathIntContainer{margin:10px auto 70px;display:flex;justify-content:center;align-items:center}.lesson .mathIntContainer img{margin:0}.mathIntElement{width:53px;float:left;margin:0 14px;padding:0}.mathIntElementBigNum{width:73px;float:left;margin:0 14px;padding:0}.mathIntElementNarrow{width:29px;float:left;margin:0;padding:0}.mathIntElementWide{width:160px;float:left;margin:0 14px}.mathIntInput{width:100%;height:82px;line-height:82px;margin:0;padding:0;text-align:center;font-family:source sans pro;font-size:62px;font-weight:700;color:#8eb4c4;border:3px solid #8eb4c4}.mathIntCorrect{width:100%;line-height:82px;padding:0;text-align:center;font-family:source sans pro;font-size:62px;font-weight:700;color:#e6945c;border:3px solid #fff;pointer-events:none}.mathIntIncorrect{width:100%;line-height:82px;padding:0;text-align:center;font-family:source sans pro;font-size:62px;font-weight:700;color:#8eb4c4;border:3px solid #e02942;background-color:#fff3f3;background-repeat:no-repeat;background-position:right top;background-size:16px 24px}.mathIntInputBigNum{width:100%;height:122px;line-height:122px;margin:0;padding:0;text-align:center;font-family:source sans pro;font-size:92px;font-weight:700;color:#8eb4c4;border:3px solid #8eb4c4}.mathIntCorrectBigNum{width:100%;line-height:122px;padding:0;text-align:center;font-family:source sans pro;font-size:92px;font-weight:700;color:#e6945c;border:3px solid #fff}.mathIntIncorrectBigNum{width:100%;line-height:122px;padding:0;text-align:center;font-family:source sans pro;font-size:92px;font-weight:700;color:#8eb4c4;border:3px solid #e02942;background-color:#fff3f3;background-repeat:no-repeat;background-position:right top;background-size:16px 24px}.mathIntFractionBar{position:relative;left:-12px;background-color:#00597d;margin:8px 0;height:8px;width:83px}.mathIntSubtract{position:relative;left:3px;background-color:#00597d;margin:10px 0;padding:0 -20px;height:8px;width:29px}.mejs__offscreen{border:0;clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal}.mejs__container{background:#000;font-family:Helvetica,Arial,serif;position:relative;text-align:left;text-indent:0;vertical-align:top}.mejs__container,.mejs__container *{box-sizing:border-box}.mejs__container video::-webkit-media-controls,.mejs__container video::-webkit-media-controls-panel,.mejs__container video::-webkit-media-controls-panel-container,.mejs__container video::-webkit-media-controls-start-playback-button{-webkit-appearance:none;display:none!important}.mejs__fill-container,.mejs__fill-container .mejs__container{height:100%;width:100%}.mejs__fill-container{background:0 0;margin:0 auto;overflow:hidden;position:relative}.mejs__container:focus{outline:none}.mejs__iframe-overlay{height:100%;position:absolute;width:100%}.mejs__embed,.mejs__embed body{background:#000;height:100%;margin:0;overflow:hidden;padding:0;width:100%}.mejs__fullscreen{overflow:hidden!important}.mejs__container-fullscreen{bottom:0;left:0;overflow:hidden;position:fixed;right:0;top:0;z-index:1000}.mejs__container-fullscreen .mejs__mediaelement,.mejs__container-fullscreen video{height:100%!important;width:100%!important}.mejs__background,.mejs__mediaelement{left:0;position:absolute;top:0}.mejs__mediaelement{height:100%;width:100%;z-index:0}.mejs__poster{background-position:50% 50%;background-repeat:no-repeat;background-size:cover;left:0;position:absolute;top:0;z-index:1}:root .mejs__poster-img{display:none}.mejs__poster-img{border:0;padding:0}.mejs__overlay{-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;left:0;position:absolute;top:0}.mejs__layer{z-index:1}.mejs__overlay-play{cursor:pointer}.mejs__overlay-button{background:url(mejs-controls.svg) no-repeat;background-position:0 -39px;height:80px;width:80px}.mejs__overlay:hover>.mejs__overlay-button{background-position:-80px -39px}.mejs__overlay-loading{height:80px;width:80px}.mejs__overlay-loading-bg-img{-webkit-animation:a 1s linear infinite;animation:a 1s linear infinite;background:transparent url(mejs-controls.svg) -160px -40px no-repeat;display:block;height:80px;width:80px;z-index:1}@-webkit-keyframes a{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes a{to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.mejs__controls{bottom:0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;height:40px;left:0;list-style-type:none;margin:0;padding:0 10px;position:absolute;width:100%;z-index:3}.mejs__controls:not([style*="display: none"]){background:rgba(255,0,0,.7);background:-webkit-linear-gradient(transparent,rgba(0,0,0,.35));background:linear-gradient(transparent,rgba(0,0,0,.35))}.mejs__button,.mejs__time,.mejs__time-rail{font-size:10px;height:40px;line-height:10px;margin:0;width:32px}.mejs__button>button{background:transparent url(mejs-controls.svg);border:0;cursor:pointer;display:block;font-size:0;height:20px;line-height:0;margin:10px 6px;overflow:hidden;padding:0;position:absolute;text-decoration:none;width:20px}.mejs__button>button:focus{outline:1px dotted #999}.mejs__container-keyboard-inactive [role=slider],.mejs__container-keyboard-inactive [role=slider]:focus,.mejs__container-keyboard-inactive a,.mejs__container-keyboard-inactive a:focus,.mejs__container-keyboard-inactive button,.mejs__container-keyboard-inactive button:focus{outline:0}.mejs__time{box-sizing:content-box;color:#fff;font-size:11px;font-weight:700;height:24px;overflow:hidden;padding:16px 6px 0;text-align:center;width:auto}.mejs__play>button{background-position:0 0}.mejs__pause>button{background-position:-20px 0}.mejs__replay>button{background-position:-160px 0}.mejs__time-rail{direction:ltr;-webkit-box-flex:1;-webkit-flex-grow:1;-ms-flex-positive:1;flex-grow:1;height:40px;margin:0 10px;padding-top:10px;position:relative}.mejs__time-buffering,.mejs__time-current,.mejs__time-float,.mejs__time-float-corner,.mejs__time-float-current,.mejs__time-hovered,.mejs__time-loaded,.mejs__time-marker,.mejs__time-total{border-radius:2px;cursor:pointer;display:block;height:10px;position:absolute}.mejs__time-total{background:hsla(0,0%,100%,.3);margin:5px 0 0;width:100%}.mejs__time-buffering{-webkit-animation:b 2s linear infinite;animation:b 2s linear infinite;background:-webkit-linear-gradient(135deg,hsla(0,0%,100%,.4) 25%,transparent 0,transparent 50%,hsla(0,0%,100%,.4) 0,hsla(0,0%,100%,.4) 75%,transparent 0,transparent);background:linear-gradient(-45deg,hsla(0,0%,100%,.4) 25%,transparent 0,transparent 50%,hsla(0,0%,100%,.4) 0,hsla(0,0%,100%,.4) 75%,transparent 0,transparent);background-size:15px 15px;width:100%}@-webkit-keyframes b{0%{background-position:0 0}to{background-position:30px 0}}@keyframes b{0%{background-position:0 0}to{background-position:30px 0}}.mejs__time-loaded{background:hsla(0,0%,100%,.3)}.mejs__time-current,.mejs__time-handle-content{background:hsla(0,0%,100%,.9)}.mejs__time-hovered{background:hsla(0,0%,100%,.5);z-index:10}.mejs__time-hovered.negative{background:rgba(0,0,0,.2)}.mejs__time-buffering,.mejs__time-current,.mejs__time-hovered,.mejs__time-loaded{left:0;-webkit-transform:scaleX(0);-ms-transform:scaleX(0);transform:scaleX(0);-webkit-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transition:all .15s ease-in;transition:all .15s ease-in;width:100%}.mejs__time-buffering{-webkit-transform:scaleX(1);-ms-transform:scaleX(1);transform:scaleX(1)}.mejs__time-hovered{-webkit-transition:height .1s cubic-bezier(.44,0,1,1);transition:height .1s cubic-bezier(.44,0,1,1)}.mejs__time-hovered.no-hover{-webkit-transform:scaleX(0)!important;-ms-transform:scaleX(0)!important;transform:scaleX(0)!important}.mejs__time-handle,.mejs__time-handle-content{border:4px solid transparent;cursor:pointer;left:0;position:absolute;-webkit-transform:translateX(0);-ms-transform:translateX(0);transform:translateX(0);z-index:11}.mejs__time-handle-content{border:4px solid hsla(0,0%,100%,.9);border-radius:50%;height:10px;left:-7px;top:-4px;-webkit-transform:scale(0);-ms-transform:scale(0);transform:scale(0);width:10px}.mejs__time-rail .mejs__time-handle-content:active,.mejs__time-rail .mejs__time-handle-content:focus,.mejs__time-rail:hover .mejs__time-handle-content{-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1)}.mejs__time-float{background:#eee;border:1px solid #333;bottom:100%;color:#111;display:none;height:17px;margin-bottom:9px;position:absolute;text-align:center;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:36px}.mejs__time-float-current{display:block;left:0;margin:2px;text-align:center;width:30px}.mejs__time-float-corner{border:5px solid #eee;border-color:#eee transparent transparent;border-radius:0;display:block;height:0;left:50%;line-height:0;position:absolute;top:100%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:0}.mejs__long-video .mejs__time-float{margin-left:-23px;width:64px}.mejs__long-video .mejs__time-float-current{width:60px}.mejs__broadcast{color:#fff;height:10px;position:absolute;top:15px;width:100%}.mejs__fullscreen-button>button{background-position:-80px 0}.mejs__unfullscreen>button{background-position:-100px 0}.mejs__mute>button{background-position:-60px 0}.mejs__unmute>button{background-position:-40px 0}.mejs__volume-button{position:relative}.mejs__volume-button>.mejs__volume-slider{-webkit-backface-visibility:hidden;background:rgba(50,50,50,.7);border-radius:0;bottom:100%;display:none;height:115px;left:50%;margin:0;position:absolute;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:25px;z-index:1}.mejs__volume-button:hover{border-radius:0 0 4px 4px}.mejs__volume-total{background:hsla(0,0%,100%,.5);height:100px;left:50%;margin:0;position:absolute;top:8px;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:2px}.mejs__volume-current{left:0;margin:0;width:100%}.mejs__volume-current,.mejs__volume-handle{background:hsla(0,0%,100%,.9);position:absolute}.mejs__volume-handle{border-radius:1px;cursor:ns-resize;height:6px;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);width:16px}.mejs__horizontal-volume-slider{display:block;height:36px;position:relative;vertical-align:middle;width:56px}.mejs__horizontal-volume-total{background:rgba(50,50,50,.8);height:8px;top:16px;width:50px}.mejs__horizontal-volume-current,.mejs__horizontal-volume-total{border-radius:2px;font-size:1px;left:0;margin:0;padding:0;position:absolute}.mejs__horizontal-volume-current{background:hsla(0,0%,100%,.8);height:100%;top:0;width:100%}.mejs__horizontal-volume-handle{display:none}.mejs__captions-button,.mejs__chapters-button{position:relative}.mejs__captions-button>button{background-position:-140px 0}.mejs__chapters-button>button{background-position:-180px 0}.mejs__captions-button>.mejs__captions-selector,.mejs__chapters-button>.mejs__chapters-selector{background:rgba(50,50,50,.7);border:1px solid transparent;border-radius:0;bottom:100%;margin-right:-43px;overflow:hidden;padding:0;position:absolute;right:50%;visibility:visible;width:86px}.mejs__chapters-button>.mejs__chapters-selector{margin-right:-55px;width:110px}.mejs__captions-selector-list,.mejs__chapters-selector-list{list-style-type:none!important;margin:0;overflow:hidden;padding:0}.mejs__captions-selector-list-item,.mejs__chapters-selector-list-item{color:#fff;cursor:pointer;display:block;list-style-type:none!important;margin:0 0 6px;overflow:hidden;padding:0}.mejs__captions-selector-list-item:hover,.mejs__chapters-selector-list-item:hover{background-color:#c8c8c8!important;background-color:hsla(0,0%,100%,.4)!important}.mejs__captions-selector-input,.mejs__chapters-selector-input{clear:both;float:left;left:-1000px;margin:3px 3px 0 5px;position:absolute}.mejs__captions-selector-label,.mejs__chapters-selector-label{cursor:pointer;float:left;font-size:10px;line-height:15px;padding:4px 10px 0;width:100%}.mejs__captions-selected,.mejs__chapters-selected{color:#21f8f8}.mejs__captions-translations{font-size:10px;margin:0 0 5px}.mejs__captions-layer{bottom:0;color:#fff;font-size:16px;left:0;line-height:20px;position:absolute;text-align:center}.mejs__captions-layer a{color:#fff;text-decoration:underline}.mejs__captions-layer[lang=ar]{font-size:20px;font-weight:400}.mejs__captions-position{bottom:15px;left:0;position:absolute;width:100%}.mejs__captions-position-hover{bottom:35px}.mejs__captions-text,.mejs__captions-text *{background:hsla(0,0%,8%,.5);box-shadow:5px 0 0 hsla(0,0%,8%,.5),-5px 0 0 hsla(0,0%,8%,.5);padding:0;white-space:pre-wrap}.mejs__container.mejs__hide-cues video::-webkit-media-text-track-container{display:none}.mejs__overlay-error{position:relative}.mejs__overlay-error>img{left:0;max-width:100%;position:absolute;top:0;z-index:-1}.mejs__cannotplay,.mejs__cannotplay a{color:#fff;font-size:.8em}.mejs__cannotplay{position:relative}.mejs__cannotplay a,.mejs__cannotplay p{display:inline-block;padding:0 15px;width:100%}