body, html{
	font-family:Verdana, Arial, Geneva, sans-serif;
	font-size:90%;
	padding:0;
	margin:0;
}
#zentriert {
	position: absolute; 
	width: 900px; 
	height: 550px; 
	left: 50%; 
	top: 50%; 
	margin-left: -450px; 
	margin-top: -275px;
	text-align:center;
}
a, a:visited {
	border-width:0;
	text-decoration:none;
	font-weight:bold;
}
a:hover{
	text-decoration:underline;
	font-weight:bold;
}
li{
	display:inline;
	padding:.5em;
}
ul{
	padding: 0;
	margin:0;
}