html, body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #000000;
font-family: arial;
z-index: -2;
}

#hintergrund {
width: 100%;
height: 100%;
position: relative;
z-index: 0;
background-color: #000000;
}

#center{
	width: 820px;
	position: absolute;
	left: 100px;
	z-index: 2;
	margin: 0;
	padding: 0px;
	float: left;
}
#logo{
	width: 820px;
	height: 400px;
	z-index: 3;
	margin: 0px;
	padding-left: 0px;
}

#aufruf{
	width: 800px;
	padding-top: 60px;
}

#portale{
	width: 740px;
	position: absolute;
	left: 100px;
	z-index: 1;
	margin: 0px;
	padding: 0px;
}

.bilder{
	padding-right: 0px;
	width: 120px;
	float: left;
}

#fenster{
	position: absolute;
	width: 700px;
	border-color: #ffffff;
	border-width: 1px;
	border-style: solid;
	z-index: 11;
	display: none;
}

#black{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 5;
	margin: 0px;
	padding: 0px;
	background-color: #000000;
	opacity: 60%;
	display: none;
}

.knopf{
	width: 190px;
	height: 143px;
	z-index: 4;
	margin-left: 60px;
	
	cursor: pointer;
	
	float: left;
	text-align: center;
	font-size: 32px;
	
}

#close{
	width: 50px;
	height: 51px;
	z-index: 14;
	background: url('close.png');
	cursor: pointer;
	position: absolute;
	left: 675px;
	top: -10px;
}

#close:hover{
	background: url('close2.png');
}
.second{
	width: 200px;
	cursor: pointer;
	float: left;
}
#mitte{
	float: left;
}