a{color: #333!important;}
a:focus,a:hover{color: #337ab7!important;}
a:hover{text-decoration: none;}
.mtop,.mtop2{margin-top: 20px;}
.padding{padding: 20px;}

/* 课程列表 */
.list-one>div{margin-bottom: 15px;}
/*.list-one a{height: 200px;}*/
.list-one img{width: 100%;}
.list-one img:hover{opacity: .7;}

@media (min-width: 1600px){
  .mtop{margin-top: 50px;}
  .mtop2{margin-top: 70px}
  .container{
    width: 1650px;
  }
  .search{
    width: 1170px;
  }
}