ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  background-color: #f1f1f1;
  border: medium solid #555;
  width: auto;
}

li a {
  display: block;
  color: #000;
  padding: 15px 22px;
  text-decoration: none;
  width: auto;
}


li:last-child {
  border-bottom: none;
}

li a.active {
  background-color: #990000;
  color: white;
}

li a:hover:not(.active) {
  background-color: #555;
  color: white;
}