From James Van Dyne
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My collection of grease monkey scripts I use to make the web work better for me.

Header Color[edit]

Changes the background of an element red. Useful for when you want an easy visual distinction that your on your own repository.

// ==UserScript==
// @name     header color
// @version  1
// @grant    none
// @include*
// @run-at document-idle
// ==/UserScript==

function addStyleBlock(cssString) {
  let head = document.getElementsByTagName("head")[0];
  let newCss = document.createElement("style");
  newCss.type = "text/css";
  newCss.innerHTML = cssString;

function appendClass(element, className) {
addStyleBlock (".red-background { background-color: #FF000085 !important; }");

// Github Header
let header = document.getElementById("js-repo-pjax-container");
if(header) {
   appendClass(header.getElementsByTagName("div")[0], "red-background");