jellyfin-web/dashboard-ui/css/nowplaying.css

.nowPlayingPage .btnCommand, .nowPlayingPage .btnPlayStateCommand {
    font-size: 30px;
}

.nowPlayingPageImage img {
    max-height: 250px;
    max-width: 250px;
}

.nowPlayingPage .positionSliderContainer {
    width: 350px;
}

.nowPlayingNavButtonContainer {
    width: 400px;
}

.chapterMenuOverlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
}

.chapterMenu {
    position: fixed;
    top: 30%;
    height: 180px;
    left: 0;
    right: 0;
    background-color: rgba(0,0,0,.9);
    z-index: 1000;
}

.chapterMenuInner {
    padding: 1em 0;
    text-align: center;
    white-space: nowrap;
}

.smallBackdropPosterItem .cardOverlayInner > div {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.chapterPosterItem {
    width: 240px!important;
    cursor: pointer;
}

    .chapterPosterItem .posterItemImage {
        height: 135px!important;
    }

.currentChapter {
    -moz-box-shadow: 0 0 12px 7px #cc3333;
    -webkit-box-shadow: 0 0 12px 7px #cc3333;
    box-shadow: 0 0 12px 7px #cc3333;
}

@media all and (max-width: 600px) {

    .nowPlayingPage .btnCommand, .nowPlayingPage .btnPlayStateCommand {
        font-size: 26px;
    }

    .nowPlayingPageImage img {
        max-height: 160px;
        max-width: 250px;
    }

    .nowPlayingPage .positionSliderContainer {
        width: 300px;
    }
}

@media all and (max-height: 600px) {

    .nowPlayingPageImage img {
        max-height: 160px;
        max-width: 250px;
    }
}


@media all and (max-width: 500px) {

    .nowPlayingPage .btnCommand, .nowPlayingPage .btnPlayStateCommand {
        font-size: 24px;
    }
}

@media all and (max-width: 400px) {

    .nowPlayingPage .btnCommand, .nowPlayingPage .btnPlayStateCommand {
        font-size: 19px;
    }

    .nowPlayingPage .positionSliderContainer {
        width: 220px;
    }

    .nowPlayingNavButtonContainer {
        width: 300px;
    }
}