body {margin:0px; padding:0px;} 

#Content {
	position:absolute;
	left:50%;
	width:800px;
	margin-top:8px;
	margin-left:-400px;
	
}

#Content2 {
	position:absolute;
	left:50%;
	width:960px;
	margin-top:8px;
	margin-left:-480px;
	
}

span {
	background-color:#FFFFFF;
	position:absolute;
	top:0px;
	left:0px;
	width:800px;
}