#pos       
   {
   text-align: left;
   position: absolute;
   top: 50%;
   left: 0px;
   width: 100%;
   height: 1px;
   overflow: visible;
   visibility: visible;
   display: block;
   border:none;

 
   }

#zentriert {
	margin-left: -480px;
   position: absolute;
   top: -271px;
   left: 50%;
   width: 960px;
   height: 542px;
  
	 background-color:#f6f3ee;

      }