/* Sample 1*/
#box1{
	position:absolute;
	TEXT-ALIGN: center;
}
#box1 span{
	display:block;
	float:left;
  padding:1px;
}

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

.mask1{
	position:relative;
	width:550px;
	height:180px;
	overflow:hidden;
}

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