.haupt {
	background-image: url(bilder/hintergrund2.jpg);

	background:
	 height=100% width=100%
	background-repeat: no-repeat;
	font-family: Arial, Helvetica, sans-serif;
	font-size: medium;
	background-attachment: fixed;
}
.bild-mitte {
	background-position: center;
	text-align: center;
	float: none;
	margin-top: 0px;
	margin-right: 17px;
	margin-bottom: 4px;
	margin-left: 17px;
	vertical-align: top;
}