body {
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  text-align: center;
  padding: 50px;
}
h1 {
  color: #333;
}
button {
  background-color: #4CAF50;
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 5px;
}
button:hover {
  background-color: #45a049;
}