body {
  text-align: center;
  background: black;
  color: white;
  font-family: sans-serif;
  font-weight: 100;
}

#clockdiv {
  font-family: sans-serif;
  color: white;
  display: inline-block;
  font-weight: 100;
  text-align: center;
  font-size: 50vmin;
}