body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  padding: 20px;
}

h2 {
  color: #333;
}

pre {
  background: #1e1e1e;
  color: #dcdcdc;
  padding: 15px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 14px;
}

button {
  margin-top: 12px;
  padding: 10px 18px;
  font-size: 15px;
  cursor: pointer;
  border: none;
  background: #007bff;
  color: white;
  border-radius: 5px;
}

button:hover {
  background: #0056b3;
}