body {
   margin-top:0px;
   margin-left:0px;
   font-family:verdana, sans-serif;
   background-color: #f0ffdc;
}
#top {
   width:910px;
}

#head {
   width:910px;
   height:283px;
   background-color: #ffffff;
}

#mainmenue {
   width:175px;
   background-color: #ffffff;
}

#content {
   width:560px;
   background-color: #ffffff;
}

#addcontent {
   width:175px;
   background-color: #ffffff;
   text-align:right;
}
 
#kasten {
   width:150px;
   height:80px;
   background-color: #ffff88;  
   float:right;
   margin-bottom:10px;
}

#extern {
   position:absolute;
   left:910px;
   top:0px;
   width:400px;
   height:100%;
   margin-left:1px;
}