.teac_list{clear:both;}
.teac_list li{width: 180px; float: left;line-height:45px;}
.teac_list li a{font-size:16px;color:red;}


.teac_list11{clear:both;}
.teac_list11 li{width: 180px; float: left;line-height:45px;}
.teac_list11 li a{font-size:16px;color:blue;}