body {
  margin: 0;
  padding: 0;
  background: #222;
  text-align: center;
  font-family: monospace;
  color: #ececc8;
}

a {
  color: #fff;
}

table {
  width: 100%;
  height: 80vh;
}

td {
  vertical-align: middle;
  text-align: center;
}