Dark Mode helper for Dark Reader on studocu.com

dark.studocu.user.js

// ==UserScript==
// @name         Dark Mode Helper StuDocu.com
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  for DarkReader addon
// @author       Tackyou
// @match        https://www.studocu.com/*/document/*
// @icon         https://www.google.com/s2/favicons?domain=studocu.com
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    GM_addStyle('.page-content > div > img:nth-child(1){ filter: invert(1) }');
})();