body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 600px;
    text-align: center;
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

h2 {
    font-size: 18px;
    margin: 20px 0 10px;
}

pre {
    background-color: #f4f4f4;
    padding: 15px;
    border-radius: 4px;
    text-align: left;
    word-wrap: break-word;
    overflow-x: auto;
    margin: 0;
}