body {
  padding: 0px;
  margin: 0px;
  background-color: #0080c0;
  color:#000099;
  font-family:
}
.header {
  height: 100px;
  background-color: #000099;
  margin: 5 5 0 5;       
}
.navi-oben {
  height: 20px;
  background-color: #CC9999;
  margin: 0 5 0 5;     
}
.breadcrumb {
  height: 20px;
  background-color: #CCCCCC;
  margin: 0 5 5 5;        
}
.inhalt {
  width: auto;
  height: 100%;
  background-color: #ffffc6;
  margin: 5 180 0 180; 
}
.links {
  position: absolute;
  top: 150px;
  left: 5px;
  width: 170px;
  height: 100%;
  background-color: #ffcc00;
}
.rechts {
  position: absolute;
  top: 150px;
  right: 5px;
  width: 170px;
  height: 100%;
  background-color: #000099;
}
.box1 {
  position: absolute;
  top: 0px;  /* Die höhe des letzten Elements wird dazugezählt */
  width: 168px;
  height: 168px;
  background-color: #ffffff;
  margin: 1 1 1 1;       
}
.box2 {
  position: absolute;
  top: 175px;     
  width: 170px;
  height: 170px;
  background-color: #9933FF;  
}

  <div class=header>###HEADER###</div> 
  <div class=navi-oben >###NAVI_OBEN###</div>   
  <div class=breadcrumb>###BREADCRUMB###</div> 
 
  <div class=links> ###LINKS### </div>
 
  <div class=inhalt> ###INHALT### </div>
 
  <div class=rechts>
       <div class=box1>###BOX1###</div>  	      
       <div class=box2>###BOX2###</div>
  </div>