#contentunterseite {
 border:0px solid gray;
 width:780px;
 margin:5px auto;
 background-image:url(gfx/bg_unterseite.gif);
 background-repeat: repeat-y;
 text-align:left;
}

#leftunterseite {
 float:left;
 width:160px;
 height: auto;
 border:0px solid red;
 margin:10px auto;
 background:#808000;
}

#centerunterseite {
 float:left;
 width:75px;
 border:0px solid blue;
 margin:10px auto;
}
#rightunterseite {
 float:right;
 width:520px;
 height:auto;
 border:0px solid yellow;
 margin:0px;
 background:#808000;
}

#bildunterseite {
 float:right;
 border:0px solid black;
 width:325px;
 height:85px;
 margin:10px;
 text-align:left;
}

#contentobenunterseite {
 float:left;
 border:1px solid black;
 width:200px;
 height:25px;
 margin:5px auto;
 padding:10px;
 text-align:left;
}

#contentuntenunterseite {
 float:left;
 border:0px solid black;
 width:500px;
 height:auto;
 margin:5px auto;
 padding:20px;
 text-align:left;
}