body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f4;
}

header {
    text-align: center;
    padding: 1em 0;
    border-bottom: 2px solid #ddd;
    margin-bottom: 2em;
}

main {
    background-color: #fff;
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.article {
    border-bottom: 1px solid #eee;
    padding: 1em 0;
}

.article:last-child {
    border-bottom: none;
}

.article h3 a {
    color: #007bff;
    text-decoration: none;
}

.article h3 a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 1em 0;
    color: #777;
}