html, body {
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	font-family: Arial, Helvetica, Sans-Serif;
	font-size: medium;
	font-weight: normal;
	color: #000000;
}
#baustelle {
	position: absolute;
	z-index: 2;
	bottom: 100px;
	left: 50px;
}
#hintergrund {
	position: absolute;
	z-index: 1;
	width: 100%;
	height: 100%;
}