body {
  margin: 0;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: 'Press Start 2P', monospace;
  color: #fff;
}

#menu {
  text-align: center;
}

#menu h1 {
  font-size: 28px;
  margin-bottom: 20px;
}

#menu button {
  font-family: 'Press Start 2P', monospace;
  font-size: 16px;
  padding: 10px 20px;
  background: #111;
  color: #fff;
  border: 3px solid #fff;
  border-radius: 8px;
  cursor: pointer;
}

#menu button:hover {
  background: #333;
}

canvas {
  background: #111;
  display: none;
  border: 4px solid #fff;
  border-radius: 10px;
}