footer {
    padding: 10px 20px;
    text-align: center;
    background-color: #f9f9f9;
    border-top: 1px solid #ddd;
    font-size: 14px;
    color: #555;
    box-shadow: 0 -1px 5px rgba(0,0,0,0.05);
}

footer div {
    max-width: 900px;
    margin: 0 auto;
}

footer a {
    color: #007bff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    footer {
        font-size: 12px;
        padding: 5px 10px;
    }

    footer div {
        padding: 0 10px;
    }
}