body {
    background-color: lightblue;
    text-align: center;
}
h1 {
    color: darkblue;
    font-family: Arial, sans-serif;
}
h2 {
    color: darkgreen;
    font-size: 20px;
    font-family: Arial, sans-serif;
}
table {
    margin: 0 auto;
    border-collapse: collapse;
}

.table-occupied {
    background-color: darkgoldenrod;
}

.table-free {
    background-color: lightgreen;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

.footer-content a {
    color: #66ccff;
    text-decoration: none;
}

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