#content{
height: 610px;
width:900px;
position:relative;
margin:auto;
margin-top:-71px;
background-color:#000000;
}
#oben{
width:auto;
height:10px;
position:relative;
text-align:left;
	
		clear:left;

border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color:#CCCCCC;
}
#unten{
background-color:#000000;
height:700px;
margin-top:-249px;

}
html, body{
height:100%;
overflow:hidden;
margin:0px;
}
#abstand {
	width:1px;
		height:50%;
		
		margin-bottom:-13.75em; /* half of container's height */
		float:left;

	

	}
		#container {
		margin:0 auto;
		 /* puts container in front of distance */
		
		background-color:#ff9;
		border:1px solid #c93;
		border-top-color:#fff;
		border-left-color:#fff;
		}