body {
  background: red url(pics/aliene.png) no-repeat top fixed;
  font-family: verdana;
}
a:visited {
  color: wheat;
  text-decoration: none;
  background-color: transparent;
  font-size: 50px;
  font-weight: bold;
}
a:link {
  color: red;
  text-decoration: none;
  background-color: green;
  font-size: 50px;
}
a:hover {
  color: grey;
  text-decoration: none;
  background-color: transparent;
  font-size: 50px;
}
a:active {
  color: darkgrey;
  text-decoration: none;
  background-color: transparent;
  font-size: 50px;
}
.impressum {
  background-color: darkcyan;
  color: silver;
  font-size: 50px;
}
.index {
  background-color: darkred;
  color: silver;
}