@import url(octicons.css);header{padding-top:1em;margin-bottom:1em}header .navbar-default{background:none !important;background-color:none !important;border:none !important;box-shadow:none !important}header .navbar-toggle{background-color:#f3f3f3}header .navbar-toggle .icon-bar{background-color:#1875c6}header .nav{line-height:50px;text-align:center}header .nav li a{color:#fff !important;margin-left:1em;margin-right:1em;text-decoration:none;opacity:.8}header .nav li a:last-child{margin-right:0}header .nav li a:hover{color:#fff;text-decoration:none;opacity:1;background-color:none !important;background:none !important}header .nav li a.active{opacity:1}.jumbotron{background-color:#f3f3f3 !important}.jumbotron.colorful{background-color:#1875c6 !important}.tab-pane{margin:1em 1em}.colorful{background-color:#1875c6 !important;color:#fff}.colorful a{color:#fff}.testimonial blockquote{border-left:0;font-size:.8em;box-shadow:0 0 0 1px #f3f3f3;background-color:#f3f3f3;border-radius:3px}.testimonial blockquote:before{content:"";position:absolute;width:0;height:0;bottom:0;border-left:20px solid transparent;border-right:10px solid transparent;border-top:20px solid #f3f3f3;bottom:20px;margin-left:40%}.testimonial .attribution{text-align:center;font-size:.8em}#logo a{display:block;height:50px;width:185px;text-indent:-999px;overflow:hidden;background:url("/National_Library/20160330061658oe_/https://training.github.com/images/gh-training-logo-2x.png") no-repeat center center;background-size:contain}footer{border-top:solid 1px #f3f3f3;margin-top:1em;padding-top:1em;padding-bottom:1em;font-size:.8em}footer .octicon-mark-github{position:absolute;left:50%;color:#ccc;height:24px;width:24px;margin-left:-12px;font-size:24px;line-height:1}footer ul{list-style:none;margin:0;padding:0}footer ul li{display:inline-block;margin-left:5px}footer ul li:first-child{margin-left:0}