.description{padding:16px;margin:10px 0;background:#eee}

.sample{padding:20px 30px; margin:4px 0 25px 0; border:1px solid #e1e1e1}
h4.stitle{color:#666;margin:0 0 5px 0}


#cont{width:550px;margin:0 auto;background:#fff;text-align:left;padding:20px}
.mask{
	position:relative;
	width:400px;
	height:344px;
	overflow:hidden;
	border-right:1px solid #FFF;
	border-top:3px solid #FFF;
	border-bottom:3px solid #FFF;
}
.mask img{
	position:absolute;
	display:block;
	border:none;
}