Custom Image for Youtube Background

Replace the old boring flat background with whatever picture you like

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Custom Image for Youtube Background
// @namespace    http://tampermonkey.net/
// @version      0.6
// @description  Replace the old boring flat background with whatever picture you like
// @author       Hoover
// @match        *://*.youtube.com/*
// @grant        none
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @license      MIT
// ==/UserScript==


// Only tested on dark mode. If you're using light mode, you're a lunatic.

(function () {
    'use strict';

    // Fill the array up with URLs to pictures
    const bgSources = [
        "https://i.kym-cdn.com/photos/images/original/000/581/296/c09.jpg",
        "https://i.kym-cdn.com/photos/images/original/000/581/296/c09.jpg"
    ]

    function getRandomImageUrl(images) {
        const randomIndex = Math.floor(Math.random() * images.length);
        return images[randomIndex];
    }

    // Select only one image from the array
    let bgImage = getRandomImageUrl(bgSources);

    // Overriding and adding css styles
    let css = `
    html {
        background-image: url(${bgImage});
        background-attachment: fixed;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
    }
    html::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
    }
    html[dark],
    [dark] {
        --yt-spec-base-background:#0f0f0fbf;
    }
    #cinematics-container{
        display: none;
    }
    `;
    if (typeof GM_addStyle !== "undefined") {
        GM_addStyle(css);
    } else {
        let styleNode = document.createElement("style");
        styleNode.appendChild(document.createTextNode(css));
        (document.querySelector("head") || document.documentElement).appendChild(styleNode);
    }
})();