body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  text-align: center;
  padding: 50px;
}

h1 {
  color: #333;
}

button {
  background: #4CAF50;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 6px;
}

button:hover {
  background: #45a049;
}