/* Style Sheet */

A:link { text-decoration: none; color: #339999; }
A:visited { text-decoration: none; color: #FFCC33; }
A:hover { text-decoration: none; color: #FF8C00; }
A:active { text-decoration: none; color: #66FF00; }
BODY { scrollbar-base-color: #808080; scrollbar-arrow-color: #000080;
color: #FFFF99; background-color: #696969; border-color: #000066;
border-style: none; font-family: Arial, Verdana, Helvetica, sans-serif; }

.bild {
    border: 0;
	width: 100px; 
}
<style type="text/css">

body {
  text-align: center; /* Zentrierung IE */
}

#seitenbereich {
  text-align:left;  /* Inhalt wieder links */
  margin: 0 auto;   /* Zentrierung mitte */
  width: 920px;
  background-color:"#DCDCDC" ;
}

#kopfzeile {
	color: #DCDCDC;
    font-size: 18pt;
	text-align:center;
	font-family: "Verdana";
    background-color:"#DCDCDC";
}

#fusszeile {
  font-size: 10pt;
  clear: both;
  border-top:2px solid black;
}
#navi {
  float:left;
  width:15.5em;
  background-color:#000000;
  border:0;
  
}
#navir {
  float: right;
  width: 15.5em;
  background-color:#000000;
}

#inhalte {
  margin: 0 16em 0 16em;
  background-color:#353535;
  text-align:center;
}

</style>