body {
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

header, main, footer {
    text-align: center;
    padding: 20px;
}

.fb-page {
    max-width: 100%;
    margin: 0 auto;
}

footer {
    padding: 10px;
}