ul.navigationsebene1, ul.navigationsebene2,  ul.navigationsebene3, ul.navigationsebene4, ul.navigationsebene5  {
  list-style: none;
  background-color: #d9d9d9;
}

ul.navigationsebene1 a, ul.navigationsebene1 strong {
  text-decoration: none;
  display: block;
  font-size: 1.2em;
  padding: 0.4em;
  color: #000;
}

ul.navigationsebene1 a:hover {
  background-color: #c8c8c8;
}

ul.navigationsebene1 li  {
  border-bottom: 1px solid #FFF;
}

ul.navigationsebene2, ul.navigationsebene3, ul.navigationsebene4, ul.navigationsebene5 {
  border-top: 1px solid #FFF;
}

ul.navigationsebene2 a, ul.navigationsebene2 strong {
  padding-left: 1em;
}

ul.navigationsebene3 a, ul.navigationsebene3 strong {
  padding-left: 2em;
}

ul.navigationsebene4 a, ul.navigationsebene4 strong {
  padding-left: 3em;
}

ul.navigationsebene5 a, ul.navigationsebene5 strong {
  padding-left: 4em;
}