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

/* Now playing bar */
.nowPlayingBar {
    padding: 6px 0 24px 0;
    border-top: 2px solid green;
}

    .nowPlayingBar .barBackground {
        border-top: 2px solid green;
        position: absolute;
        margin: -8px -0.5em -26px !important;
        width: 100%;
        height: 100%;
    }

    .nowPlayingBar > *:not(#mediaElement):not(.mediaFlyoutContainer):not(.barBackground ) {
        position: relative;
    }

.nowPlayingBarImage {
    vertical-align: bottom;
}

.mediaButton {
    vertical-align: top;
}

#mediaElement {
    display: inline-block;
    position: relative;
}

.nowPlayingMediaInfo div {
    display: inline-block;
}

.nowPlayingMediaInfo a {
    margin-right: .25em;
}


.nowPlayingMediaInfo {
    display: inline-block;
}

.nowPlayingText {
    position: relative;
    top: -3px;
    margin-left: 3px;
    margin-right: 2em;
    font-weight: normal;
}

@media all and (max-width: 650px) {
    .nowPlayingMediaInfo {
        display: none;
    }
}

.mediaButton img {
    height: 24px;
}

.currentTime {
    display: inline-block;
    position: relative;
    top: -10px;
    max-width: 110px;
    margin-right: 2em;
    font-size: 14px;
    font-weight: normal;
}

.mediaSlider {
    position: relative;
    top: -10px;
    width: 50px;
    cursor: pointer;
}

.sliderContainer {
    display: inline-block;
}

.positionSliderContainer {
    width: 130px;
}

.volumeSliderContainer {
    width: 90px;
}

.sliderContainer .ui-slider {
    margin: 0 !important;
}

.sliderContainer .ui-slider-track {
    margin-left: 15px !important;
}

.volumeSliderContainer .ui-slider-track {
    margin-left: 5px !important;
}

.volumeButton {
    margin-right: .5em!important;
}

::-ms-thumb {
    background-image: linear-gradient(#fefefe,#dddddd);
    width: 15px;
}

::-ms-track {
    padding: 0;
    border: 0;
    color: #777;
}

input[type="range"]::-ms-fill-lower {
    background-color: #777;
}

input[type="range"]::-ms-fill-upper {
    background-color: #777;
}

::-ms-tooltip {
    display: none; /* display and visibility only */
}

@media all and (max-width: 800px) {
    .volumeButton, .volumeSliderContainer, .muteButton, .unmuteButton, .nowPlayingMediaInfo {
        display: none!important;
    }
}

@media all and (max-width: 600px) {
    .chaptersButton, .audioTracksButton, .sendMediaButton {
        display: none!important;
    }

    .positionSliderContainer, .currentTime {
        top: 0!important;
        position: relative!important;
    }
}

@media all and (max-width: 500px) {
    .positionSliderContainer {
        width: 80px;
    }

    .previousTrackButton, .nextTrackButton {
        display: none!important;
    }
}

@media all and (max-width: 400px) {
    .playlistButton {
        display: none!important;
    }
}

.mediaFlyoutContainer {
    display: inline-block;
}

.mediaPlayerFlyout {
    width: 200px;
    color: #000;
    background-color: #fff;
    border: 1px solid #999;
    position: absolute;
    z-index: 99999;
    bottom: 78px;
    margin-left: -50px;
    max-height: 300px;
    overflow-y: auto;
    font-size: 13px;
}

.chaptersFlyout {
    width: 250px;
}

.audioTracksFlyout {
    width: 250px;
}

.mediaFlyoutOption {
    display: block;
    text-decoration: none;
    color: #000;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}

    .mediaFlyoutOption:hover, .mediaFlyoutOption:focus {
        background-color: #eee;
    }

.selectedMediaFlyoutOption {
    background-color: #d9F4FF;
    background-image: url(images/media/selected.png);
    background-repeat: no-repeat;
    background-position: right top;
    background-size: 16px 16px;
}

.mediaFlyoutOptionImage {
    display: inline-block;
    width: 15%;
    vertical-align: middle;
}

    .mediaFlyoutOptionImage + .mediaFlyoutOptionContent {
        vertical-align: top;
        display: inline-block;
        width: 85%;
    }

.chaptersFlyout .mediaFlyoutOptionImage {
    width: 40%;
}

    .chaptersFlyout .mediaFlyoutOptionImage + .mediaFlyoutOptionContent {
        width: 60%;
    }

.mediaFlyoutOptionName {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding-left: 5px;
    font-size: 13px;
    font-weight: normal;
}

.mediaFlyoutOptionSecondaryText {
    font-size: 13px;
    color: #333;
    font-weight: normal;
    margin-top: 3px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding-left: 5px;
}

@media (min-width: 1440px) {
    .positionSliderContainer {
        width: 300px;
    }
}