body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #1e1e2f;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: auto;
}

footer {
    background-color: #222;
    color: #ccc;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
}