.list3 li .pic-ss{width:265px; height:160px; overflow:hidden;}
.list3 li{width:265px;margin:20px 17px 30px; float:left;}
.list3 li .txt-ss{width:265px; height:40px; line-height:40px; color:#333; text-align:center; font-size:15px; overflow:hidden;}
.list3 li .pic-ss img{width:265px; height:160px;}
.list3 {margin-top:30px;}