/* Sample 4*/
#box4{
	position:absolute;
	z-index: 1;
	visibility: visible;
}
#box4 div{
	width:780px;
	height:430px;
	float:left;
	background:#eee;
	margin: 0px;
	padding: 10px;
	text-align: justify;
}

#box4 h3, #box4 p, #box4 ul{
	padding:0;
}

.mask1{
	position:relative;
	width:800px;
	height:450px;
	overflow:hidden;
	margin: 0px;
	padding: 0px;
	float: left;
}