.da-thumbs{list-style:none;position:relative;padding:0;}
.da-thumbs li{float:left;background:#fff;position:relative;width:390px; margin:10px 10px;}
.da-thumbs li a{display:block;position:relative;}


.da-thumbs li em{width:390px; height:279px;line-height:277px; text-align:center; background:#fff; float:left}
/* 兼容标准浏览器 */
.da-thumbs li em:before{
    content:".";  /* 具体的值与垂直居中无关，尽可能的节省字符 */
    margin-left:-4px; font-size:10px;  /* 修复居中的小BUG */
    visibility:hidden;  /*设置成隐藏元素*/
}
.da-thumbs li em img{
    *margin-top:expression((277 - this.height )/2);  /* CSS表达式用来兼容IE6/IE7 */
    vertical-align:middle;transition: all 0.5s;
    cursor: pointer;position:relative;}




.da-thumbs li a{color:#fff;overflow:hidden; position:relative;}
.da-thumbs li a div{
	position: absolute;
	background: #898989;
	background: rgba(137,137,137,0.9);
*background:#0565d0;		background: #0565d0\0;
	filter: alpha(Opacity=90);
	width: 100%;
	height: 100%;
	top: 279px;
}
.da-thumbs li a span{ width:350px;display:block;font-size:20px;font-weight:normal;text-align:center;margin:20px;}
.da-thumbs li a p{margin:20px 40px; padding:15px 0;font:normal 14px/24px 'Microsoft YaHei'; border-bottom:1px #82c41c solid;border-top:1px #82c41c solid;}