☰

Wooper is cool

Turns every webpage you visit into shiny wooper

// ==UserScript==
// @name        Wooper is cool
// @namespace   english
// @description Turns every webpage you visit into shiny wooper
// @include     http*://*.*.*/*
// @version     1.0
// @run-at
// @grant
// ==/UserScript==

document.body.style.backgroundImage = "url('https://www.serebii.net/Shiny/SWSH/194.png')";