body {
    margin: 0;
    background: black;
    overflow-y: scroll;
}

body::-webkit-scrollbar {
    display: none;
}

#backgroundGif {
    width: 500px;
    max-width: 90%;
    display: block;
    margin: 100px auto;
}

#upArrow,
#downArrow {

    width: 120px;
    height: 120px;

    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;

    position: fixed;
    right: 30px;

    z-index: 9999;

    user-select: none;
    -webkit-user-drag: none;

    cursor: pointer;
}

#upArrow {
    top: 30px;
    background-image: url('/media/arrows/up-white.gif');
}

#downArrow {
    bottom: 30px;
    background-image: url('/media/arrows/down-white.gif');
}

#gallery { width: 100%; margin-top: 100px; margin-bottom: 200px; display: flex; flex-direction: column; align-items: center; gap: 120px; }