body {
  font-family: sans-serif;
  background-color: #f4f4f9;
  text-align: center;
  padding: 50px;
}
button {
  background: #007bff;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
}
button:hover {
  background: #0056b3;
}