#centered {
	width:900px;
	height:403px;
	position:absolute;
	left:50%;
	margin:auto auto auto -450px;
	z-index: 1;
}
body 
{
	background-color: #FFFFFF;
	background-position: center;
	margin: 0;
	padding: 0;
}
#mainframe {
	position:absolute;
	width:900;
	height:auto;
	z-index:1;
	left: -5px;
	top: -3px;
	border: thin solid #CCCCCC;
	background-color: #FFFFFF;
	}