body{
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-color:#20497d;		
}


#mitte {
	position:absolute;
	width: 700px;
	left: 50%;
	margin-left:-350px;
	z-index: 1;
}