#mainnavi_bereich{
  float:left;
  width:27em;
  background-color:#FFF;
  text-align:center;
}

#main_menu{
  width:97%;
  background-color:#FFF;
  margin:0px 5px;
  text-align:left;
}

div#main_menu ul{
  list-style:none;
  margin :0px;
  padding:0px;
  background-color:#FFF;
  white-space:nowrap;

}

div#main_menu li{
  text-align:left;
  width:auto;
  margin:1px;
  padding:2px 10px;
}

div#main_menu li.top{
  text-align:center;
  padding:0px 10px;
  font-weight:bold;
  background-color:#79A4C4;
  color:#FFF;
}

div#main_menu li.main_level1{
  padding-left:10px;
  background-color:#C8DCEC;
}

div#main_menu li.main_level2{
  padding-left:20px;
  background-color:#E2EFF9;
}

div#main_menu li.main_level3{
  padding-left:30px;
  background-color:#E2EFF9;
}

div#main_menu li a{
  text-decoration:none;
  color: #000;
  padding:0px;
}

div#main_menu li a:hover{
  font-weight:bold;
}

div#main_menu a.top{
  padding:0px;
  color:#FFF;
}