#player {
    display: none;
    gap: .3em .6em;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: .2em;
}
#player button { margin-right: .5em; padding:.2em .5em; }
@media (min-width: 1200px) {
    #player {
        position: fixed;
        top: 0;
        margin-top: 0;
        padding: .5%;
        width: calc((100vw - 800px) / 2 - .5em);
        box-sizing: border-box;
        background: var(--faint-contrast);
    }
}