body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #222;
  color: #fff;
  font-family: Arial, sans-serif;
  height: 100vh;
  margin: 0;
}

h1 {
  margin-bottom: 10px;
}

canvas {
  background-color: #000;
  border: 2px solid #fff;
}

p {
  margin-top: 10px;
  font-size: 18px;
}

button {
  margin-top: 15px;
  padding: 10px 20px;
  font-size: 16px;
  background-color: #444;
  color: #fff;
  border: none;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background-color: #666;
}