* {
  font-family: sans-serif;
}

body {
  background-color: #000000;
}

h1 {
  display: block;
  text-align: center;
  color: white;
}

a {
  display: block;
  color: grey;
  text-align: center;
  padding: 0.9em 1em;
  text-decoration: none;
}

a:hover {
  background-color: #333333;
  color: white;
}