#box1, #box2, #box3, #box4{
	position:absolute;
}

/* Sample 5*/
#box5 div{
	position:absolute;
	background:#fff;
	width:533px;
	height:400px;
}
#box5 h3{
	padding:0 0 10px 0;
}
.mask{
	position:relative;
	width:533px;
	height:400px;
	overflow:hidden;
}
.mask img{
	position:absolute;
	display:block;
	border:none;
}