body {
  background-image: url('image/dirt.png');
  background-color: #111;
  font-family: Arial, sans-serif;
  text-align: center;
  margin-top: 20px;
}

h1 {
  margin-bottom: 20px;
}

canvas {
  background-color: #222;
  border: 2px solid #fff;
}

button {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 18px;
  background: #ff4444;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #ff6666;
}