#cont{width:980px;margin:0 auto;background:#fff;text-align:left;padding:20px}

/* Sample 1*/
#box1{
	position:absolute;
	border: 1px solid #ff0000;
}
#box1 span{
	display:block;
	float:left;
}

/* ********************************** */

.mask1{
	position:relative;
	width:600px;
	height:130px;
	overflow:hidden;
	border: 1px solid #000;
}

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