#navigation2 {display:none;}
#klassennavi {display:none;}
#content {width:890px;}
h1 {margin-left:30px;}
div.sitemapframe {
  width:870px;
  float:left;
  padding-left:20px;
  }
div.sitemapframe2 {
  float:left;
  width:23%;
  margin-left:5px;
  margin-right:5px;
}