.navbar {
  background-color: #333;
}

.navbar ul {
  list-style: none;
  display: flex;
  justify-content: center;
}

.navbar li {
  margin: 0.5em 1em;
}

.navbar a {
  color: white;
  text-decoration: none;
}

.navbar a:hover {
  text-decoration: underline;
}