html, body {
    height: 100%;
}

body {
    margin: 0;
    user-select: none;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
}

#footer {
    text-align: center;
    position: fixed;
    width: 100%;
    bottom: 8px;
    font-size: 16px;
}