/* Sample 1*/
#box1
{
	position:absolute;
}
.mask1
{
	position:relative;
	vertical-align:middle;
	padding-top:10px;
	width:230px;
	height:120px;
	overflow:hidden;
	margin:auto;
}
span img
{
	margin:auto;
	display:block;
	border:none;
}