body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 20px;
    background-color: #f4f4f4;
}
h1, h2 {
    color: #333;
}
a {
    color: #0066cc;
    text-decoration: none;
}
section {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
article>p:first-child {
    margin-bottom: 10px;
    text-align: center;
}
article{
    background-color: #e9e9e9;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
footer>p {
    font-size: 14px;
    color: #666;
    text-align: center;
}
article>ol>li{
    margin-bottom: 8px;
}