nav{
  width: 99%;
  min-height: 100px;
  min-width: 150px;
}

.head_left{
  width: 0%;
  float: left;
}

.head_right{
  width: 99%;
  float: left;
}

.menu,
.menum {
  margin: 1%;

  width:18%;
  min-width: 150px;
}

.menumu {
  position: inherit;
  width: 100%;
  top: 0px; left: 0px;
}

.Hauptbereich{
  width: 99%;
}

.Logo{
  width: 0%;
  height: 0%;
}

.t2b1{
  width: 100%;
  float: left;

  text-align: center;
  vertical-align: middle;
}
.t2b2{
  width: 100%;
  float: left;

  text-align: center;
  vertical-align: middle;
}
.t3b1{
  float: left;
  margin: 0%;

  width: 100%;

  text-decoration: none;
}
.t3b2{
  float: right;
  margin: 0%;

  width: 100%;

  text-decoration: none;
}
.t3b3{
  float: right;
  margin: 0%;

  width: 100%;

  text-decoration: none;
}