jellyfin-web/dashboard-ui/bower_components/emby-webcomponents/emby-slider/emby-slider.css

_:-ms-input-placeholder, :root .mdl-slider {
    -ms-appearance: none;
    height: 32px;
    margin: 0;
}

.mdl-slider {
    width: 100%;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    height: .15em;
    background: transparent;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    outline: 0;
    padding: 0;
    color: #52B54B;
    -webkit-align-self: center;
    -ms-flex-item-align: center;
    align-self: center;
    z-index: 1;
    cursor: pointer;
    margin: 0;
    /**************************** Tracks ****************************/
    /**************************** Thumbs ****************************/
    /**************************** 0-value ****************************/
    /**************************** Disabled ****************************/
}

    .mdl-slider::-moz-focus-outer {
        border: 0;
    }

    .mdl-slider::-ms-tooltip {
        display: none;
    }

    .mdl-slider::-webkit-slider-runnable-track {
        background: transparent;
    }

    .mdl-slider::-moz-range-track {
        background: #444;
        border: none;
    }

    .mdl-slider::-moz-range-progress {
        background: #52B54B;
    }

    .mdl-slider::-ms-track {
        background: none;
        color: transparent;
        height: .15em;
        width: 100%;
        border: none;
    }

    .mdl-slider::-ms-fill-lower {
        padding: 0;
        background: linear-gradient(to right, transparent, transparent 16px, #52B54B 16px, #52B54B 0);
    }

    .mdl-slider::-ms-fill-upper {
        padding: 0;
        background: linear-gradient(to left, transparent, transparent 16px, #444 16px, #444 0);
    }

    .mdl-slider::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 1em;
        height: 1em;
        box-sizing: border-box;
        border-radius: 50%;
        background: #52B54B;
        border: none;
        transition: border 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1), background 0.28s cubic-bezier(0.4, 0, 0.2, 1), -webkit-transform 0.18s cubic-bezier(0.4, 0, 0.2, 1);
        transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), border 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1), background 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), border 0.18s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.18s cubic-bezier(0.4, 0, 0.2, 1), background 0.28s cubic-bezier(0.4, 0, 0.2, 1), -webkit-transform 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .mdl-slider::-moz-range-thumb {
        -moz-appearance: none;
        width: 1em;
        height: 1em;
        box-sizing: border-box;
        border-radius: 50%;
        background-image: none;
        background: #52B54B;
        border: none;
    }

    .mdl-slider:active::-webkit-slider-thumb {
        background-image: none;
        background: #52B54B;
        -webkit-transform: scale(1.5);
        transform: scale(1.5);
    }

    .mdl-slider:active::-moz-range-thumb {
        background-image: none;
        background: #52B54B;
        transform: scale(1.5);
    }

    .mdl-slider:focus::-webkit-slider-thumb {
        box-shadow: 0 0 0 10px rgba(82, 181, 75, 0.26);
    }

    .mdl-slider:focus::-moz-range-thumb {
        box-shadow: 0 0 0 10px rgba(82, 181, 75, 0.26);
    }

    .mdl-slider::-ms-thumb {
        width: 16px;
        height: 16px;
        border: none;
        border-radius: 50%;
        background: #52B54B;
    }

    .mdl-slider[disabled]::-ms-thumb {
        background: gray;
    }

    .mdl-slider:disabled:focus::-webkit-slider-thumb, .mdl-slider:disabled:active::-webkit-slider-thumb, .mdl-slider:disabled::-webkit-slider-thumb {
        -webkit-transform: scale(0.667);
        transform: scale(0.667);
        background: rgba(0,0,0, 0.26);
    }

    .mdl-slider:disabled:focus::-moz-range-thumb, .mdl-slider:disabled:active::-moz-range-thumb, .mdl-slider:disabled::-moz-range-thumb {
        transform: scale(0.667);
        background: rgba(0,0,0, 0.26);
    }

    .mdl-slider:disabled + .mdl-slider__background-flex > .mdl-slider__background-lower {
        background-color: #444;
        left: -6px;
    }

    .mdl-slider:disabled + .mdl-slider__background-flex > .mdl-slider__background-upper {
        left: 6px;
    }

    .mdl-slider:disabled::-ms-fill-lower {
        margin-right: 6px;
        background: linear-gradient(to right, transparent, transparent 25px, rgba(30,30,30, 0.7) 25px, rgba(30,30,30, 0.7) 0);
    }

    .mdl-slider:disabled::-ms-fill-upper {
        margin-left: 6px;
    }

.mdl-slider__ie-container {
    height: 18px;
    overflow: visible;
    border: none;
    margin: none;
    padding: none;
}

.mdl-slider__container {
    height: 18px;
    position: relative;
    background: none;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
}

.mdl-slider__background-flex {
    background: transparent;
    position: absolute;
    height: .15em;
    width: 100%;
    top: 50%;
    left: 0;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    overflow: hidden;
    border: 0;
    padding: 0;
    -webkit-transform: translate(0, -1px);
    transform: translate(0, -1px);
}

.mdl-slider__background-lower {
    background: #52B54B;
    -webkit-flex: 0;
    -ms-flex: 0;
    flex: 0;
    position: relative;
    border: 0;
    padding: 0;
}

.mdl-slider__background-upper {
    background: #444;
    -webkit-flex: 0;
    -ms-flex: 0;
    flex: 0;
    position: relative;
    border: 0;
    padding: 0;
    transition: left 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.sliderBubble {
    position: absolute;
    top: -3.7em;
    left: 0;
    padding: .5em 1em;
    background: #282828;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}