Your Own Slider Bar Color by idontloveuanymore

/* ==UserStyle==
@name         Your Own Slider Bar Color
@namespace    https://github.com/idontloveuanymore
@version      1.0.0
@description  You can customize the color of the Slider Bar yourself 
@author       idontloveuanymore
@license      MIT
==/UserStyle== */

/* 
    https://t.me/mylousyfate
*/

@-moz-document domain("music.youtube.com") {

    #sliderBar #primaryProgress {
        --paper-slider-active-color: white;
        --paper-progress-active-color: white;
        --yt-spec-brand-button-background: white;
    }

    #progress-bar.ytmusic-player-bar {
        --paper-slider-knob-color: white;
        --paper-slider-knob-start-color: white;
        --paper-slider-knob-start-border-color: white;
    }

    #progress-bar.ytmusic-player-bar[focused],
    ytmusic-player-bar:hover #progress-bar.ytmusic-player-bar {
        --paper-slider-knob-color: white;
        --paper-slider-knob-start-color: white;
        --paper-slider-knob-start-border-color: white;
    }

    .slider-knob-inner.tp-yt-paper-slider {
        background-color: white;
        border: white;
    }

    .volume-slider.ytmusic-player-bar,
    .expand-volume-slider.ytmusic-player-bar {
        width: 250px;
    }
}