Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

JavaScript

// ==UserScript==
// @include *.wikipedia.org/*
// @include https://*.wikipedia.org/*
// @include https://en.wikipedia.org/*
// @version r14
// ==/UserScript==
GM_addStyle('body { background-color: black; }'); 
GM_addStyle('a[href*="books.google"] { background-color: Black !important; }');

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JSFiddle - React, Tailwind, and code Playground

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