body {
  font-family: 'Courier New', monospace;
  background-color: #111;
  color: #00F0FF;
  text-align: center;
  padding: 30px;
}

#landing {
  max-width: 600px;
  margin: auto;
}

#game {
  max-width: 500px;
  margin: auto;
  text-align: left;
}

button {
  background: #222;
  color: #00F0FF;
  border: 1px solid #00F0FF;
  padding: 12px 20px;
  font-size: 1em;
  margin-top: 20px;
  cursor: pointer;
}

button:hover {
  background: #0f0;
  color: #000;
}