body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
pre {
    background-color: #f4f4f4;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow-x: auto;
}
button {
    margin-bottom: 10px;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #0056b3;
}