html,body {
  margin:0;
  padding:0;
  height:100.01%;
  width:100.01%;
  font-size:10px;
  }
body {
  /*background-color:lightgreen;//url("../bilder/hg_verl.png");*/
  font-family:arial,helvetica,verdana,sans-serif;
  overflow:auto;
  }
#top_section {
  position:absolute;
  top:0;
  margin:0;
  width:100%;
  height:15%;
  }

#main_section {
  position:absolute;
  margin:0;
  top:15%;
  width:100%;
  height:83%;
  overflow:hidden;
  }
#menue {
  position:absolute;
  padding:0.5em;
  left:0;
  top:0;
  margin-left:0.4em;
  width:15%;
  height:90%;
  overflow:auto;
  }

#content {
  position:absolute;
  top:0;
  right:1%;
  width:80%;
  height:97%;
  border-left: 1px solid blue;
  border-top: 1px solid blue;
  border-bottom: 1px solid blue;
  background-color:#E0EFC8;
  overflow:auto;
}

#menue div {
  margin:0;
  padding-top:0.2em;
  padding-bottom:0.2em;
  padding-left:1em;
  border:0;
  }

#menue .hm {
  font-weight:bold;
  }

#menue .um,.nav {
  font-weight:500;
  }

#menue .um {
  margin:0.2em;
  padding:0;
  margin-left:2em;
  border:1px solid blue;
  width:80% ;
  }

#menue a.nav, a.hm {
  text-decoration:none;
  color:blue;
  width:100%;
  }
#menue a.head {
  cursor:pointer;
  }
#menue a.head:hover {
  background-color:lightblue;
  color:blue;
  text-decoration:none;
  }
#menue a:hover {
  background-color:lightblue;
  text-decoration:underline;
  }

input{font-size:1em;}
ins {text-decoration:none;}