body {
  background-color: #f2f2f2;
  font-family: Arial, sans-serif;
  padding: 20px;
}
h1 {
  color: #333;
}
button {
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
}