#nav {
  position: absolute;
  top: 150px;
  left: 0;
}

#nav li {
  float: left;
  display: inline;
  margin: 0 10px 0 0;
}

#nav a {
  display: block;
  padding: 0 10px;
  font-size: 20px;
}

#nav a:hover {
  background: #666666;
  color: white;
}

#nav .selected {
  background: black;
  color: white;
}