ul.menu {
  display: block;
  float: left;
  list-style-type: none;
  text-decoration: none;
  font-family: Arial,Helvetica,sans-serif;
  font-size: 14px;
  text-align: left;
  color: white;
  width: 100%;
  height: 90px;
  margin-top: 20px;
  margin-left: 290px;
  font-weight: bold;
}
ul.menu li {
  padding: 0;
  background-position:  center center;
  display: inline;
  float: left;
  position: relative;
  width: 4cm;
  margin-right: 10px;
  background-image: url(../pics-buttons/blau-hintergrund-button.gif);
  background-repeat: repeat-x;
}
ul.menu li ul {
  margin: 0;
  padding: 0;
  position: absolute;
  width: 4cm;
  left: 0%;
  display: none;
  float: none;
  background-color: #a2cad8;
}
ul.menu li ul li {
  margin: 0;
  padding: 0;
  background-position:  center center;
  width: 4cm;
  float: none;
  background-repeat: repeat-x;
  opacity: 0.9;
  position: relative;
  display: block;
  clear: left;
  background-color: #2c90f8;
}
ul.menu li:hover ul {
  display: block;
  text-decoration: none;
  color: white;
}
a:link {
  text-decoration: none;
  color: white;
}
a:hover {
  text-decoration: none;
  display: block;
  color: #cccccc;
}
a:visited {
  text-decoration: none;
  display: block;
  color: #999999;
}