body {
background-color:000000;
text-align:center;
}
#webseite {
width:1200px;
margin:0 auto;
}
#header {
width:1200px;
height:120;
background:yellow;

}
#header h1 {
padding:30px;
font-size:60px;
font-weight:bold;
color:white;
font-family:Courier;
}
#main {
width:1200px;
}
#menue {
float:left;
width:200px;
height:400px;
background:green;
margin-top:10px;
margin-bottom:10px;

}
#unterthemen {
float:right;
width:210px;
height:400px;
background:red;
margin-top:10px;
margin-bottom:10px;

}

#inhalt {
float:right;
width:770px;
height:800px;
background:white;
margin-top:10px;
margin-bottom:10px;
margin-right:10px;
text-align:center;

}
#footer {
width:1200px;
height:30px;
background-color:blue;
margin-top:20px;
clear:both;
}