#wrapper {
	position: absolute;
	height: 100%;
	width: 100%;
	left: 0px;
	top: 0px;
	background-repeat: no-repeat;
	background-position: center center;
}
#box_800_600 {
	height: 600px;
	width: 800px;
	position: absolute;
	left: 5%;
	top: 5%;
	float: left;
	border: thin solid #000000;
}