a,input{ outline:0 none !important; blr:expression(this.onFocus)=this.blur();}
/*全部课程*/

.container{margin-top:15px;}
.all_courses{ width:100%; height:300px; background:rgba(0,0,0,0.4) !important; background-color:#000000; filter: alpha(opacity=60); margin-top:50px;}
.all_courses a:hover{ text-decoration:none;}
.courses{ height:60px; line-height:60px; list-style-type:none; margin-left:-40px; margin-bottom:-1px;}
.courses_t{ position:relative; color:#fff; font-size: 16px; font-family:"sans-serif";}
.selected_div{background-color: #fff; margin-right: -15px; color: #000;}
.panel-body{display: none; font-size: 16px; font-family:"sans-serif";}
.panel-body a{color: #333;}
.active{display: block;}
.hide-content{width:0;}