html,body {
	font-family: Helvetica, Arial, sans-serif;
	font-size:12px/150%;	

}

body {
	width:100%;
	height:100%;
	min-width:800px;
	min-height: 600px;
}


.willkommen {
	margin-top:25%;
	text-align: center;
	font-size: 20px;
	display:block;
	
}