body {
	font: 12px Arial, Helvetica, sans-serif;
	background-color: #D7D7D7;
}
#navi-oben iframe {
	height: 128px;
	width: 800px;
}
#inhalt iframe {
	height: 522px;
	width: 800px;
	background-color: #FFF;
}

#navi-unten iframe {
	height: 20px;
	width: 800px;
}