#content-container{width:492px;margin:0 auto; position:relative;}
#photo-slide{
	position:absolute;
}
#photo-slide span{
	display:block;
	float:left;
	margin:2px;
}

.mask1{
	position:relative;
	width:492px;
	height:164px;
	overflow:hidden;
}

span img{
	display:block;
	border:none;
}