body {
  font-family: Arial, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

button {
  background: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 10px;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}