body {
  background-color: #97b4d1;
  font-family: monospace;
}

h1{
  text-align: center;
  font-size: 40px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  width: auto;
  background-color: #f1f1f1;
  border: 3px solid black;
}

li {
  border-bottom: 3px solid black;
  text-align: center;
}

li a {
  display: block;
  color: #000;
  padding: 30px 25px;
  font-size: 30px;
  text-decoration: none;
}

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

li a:hover {
  background-color: #555;
  color: white;
}