body {
	height: 100%;
	margin: 0;
    color: #ccc;
	background-color: #000;
	text-align: center;
	font-family: Helvetica, Arial, sans-serif;
}

div {
	width: 100%;
	height: 100%;
}

#hauptbereich {
	height: 750px;
}

#impressum-links {
	float:left;
	width:100px;
	height:100%;
}

#impressum-mitte {
	min-width:600px;
}

#impressum-rechts {
	float:right;
	width:100px;
	height:100%;
}