div#container {
  
  position: absolute;
  
  width:800px;
  height:600px;

  left: 50%;
  margin-left: -405px; /* negative Hälfte von width */

  top: 50%;
  margin-top: -300px; /* negative Hälfte von height */
  
  /*border:1px solid silver;*/
  
}

div#banner {
	float:left;
	text-align:left;
	
	width: 800px; 
	height: 100px;
	
	/*background-color:#cccccc;*/
	background-color:#000000;
	
}

div#logo {
  float:left;
  text-align:left;
 
  width: 200px; 
  height: 120px; 
  
	/*background-color:#999999;*/
	background-color:#000000;
	
}

div#main {
  float:right;
  text-align:left;
 
  width: 600px; 
  height: 447px; 
  
	background-color:#000000;
	
}

div#left {
  float:left;
  text-align: left;
 
  width: 200px; 
  height: 327px; 
  
	/*background-color:#333333;*/
	background-color:#000000;
	
}

/*
div#nav {
  float:right;
  text-align: left;
 
  width: 600px; 
  height: 20px; 
  
	/*background-color:#666666;*/
	background-color:#000000;
	
}
*/

div#footer {
  float:left;
  text-align:left;
  
  width: 800px; 
  height: 60px;
  
	background-color:#000000;
	
}