ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: hsl(0, 0%, 0%);
  position: fixed;
  top: 0;
  width: 100%;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover:not(.active) {
  background-color: hsl(241, 85%, 18%);
}

.active {
  background-color: hsl(244, 100%, 52%);
}

body {
  margin: 0px;
}