body {
  background-color: lightblue;
}

h1 {
  color: navy;
  margin-left: 20px;
}
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  width: 12%;
  background-color: #f1f1f1;
  height: 100%; /* Full height */
  position: fixed; /* Make it stick, even on scroll */
  overflow: auto; /* Enable scrolling if the sidenav has too much content */
}

li a {
  display: block;
  color: #000;
  padding: 8px 16px;
  text-decoration: none;
}

/* Change the link color on hover */
li a:hover {
  background-color: #555;
  color: white;
}