#positionierung {
	/* Positionierung in der browser-Mitte */
	position: absolute;
	top: 50%;
	left: 0px;
	width: 100%;
	height: 1px;
	text-align: center;
	background-color: transparent;
	overflow: visible;
	visibility: visible;
	display: block;
	border: 0px;
	margin: 0px;
	}
	
#rahmen {
	position: absolute;
	top: -97px;
	left: 50%;
	width: 455px;
	height: 194px;
	margin-left: -227px;
	border: 0px;
	z-index: 10;
	background-color: #FFFFFF;
	}