body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #222;
}

header {
    background: #292961;
    color: white;
    padding: 40px;
    text-align: center;
}

main {
    max-width: 900px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
}

a {
    display: inline-block;
    background: #292961;
    color: white;
    padding: 12px 18px;
    text-decoration: none;
    border-radius: 6px;
}

footer {
    text-align: center;
    padding: 20px;
    color: #666;
}