#scroll{position:fixed;right:10px;bottom:30px;cursor:pointer;width:50px;height:50px;background-color:#3498db;text-indent:-9999px;display:none;-webkit-border-radius:60px;-moz-border-radius:60px;border-radius:60px}#scroll span{position:absolute;top:50%;left:50%;margin-left:-8px;margin-top:-12px;height:0;width:0;border:8px solid transparent;border-bottom-color:#ffffff;}#scroll:hover{background-color:#e74c3c;opacity:1;filter:"alpha(opacity=100)";-ms-filter:"alpha(opacity=100)";}