body {
	background-color:#f6f6f8;
	margin:0;
	padding:0;
	font-family: Tahoma, Arial, Helvetica, Verdana;
	font-size: 10pt;
	color: #58585a;
}
	
#zentrier {
	position:absolute;
	left:50%;
	top:100px;
	width:600px;
	margin-left:-300px; /* negative Hälfte von width */
}

	
a {
	color:#283891;
  	text-decoration: none;
}
a:hover {
  	text-decoration: underline;
}
a:visited {
	color:#283891;
  	text-decoration: none;
}