Changes the color of subtractions in Github diffs (Tampermonkey)

gitrecolordiffs.user.js

// ==UserScript==
// @name         Github Recolor Diffs
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Red, Green? What's that
// @author       You
// @match        https://github.com/*
// @grant        none
// ==/UserScript==

(function() {
    var color = '#ff99ff';
    var style=document.createElement('style');
    style.innerText = ".blob-num-deletion { background-color: "+color+" !important; } .blob-code-deletion { background-color: "+color+" !important; }";
    document.getElementsByTagName('head')[0].appendChild(style);
})();