fix link color in github (tapermonkey/greasemonkey)

ciaone.js

// ==UserScript==
// @name         Github Links
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://github.com/
// @grant        none
// ==/UserScript==

(function() {
function addGlobalStyle(css) {
  var head, style;
  head = document.getElementsByTagName('head')[0];
  if (!head) { return; }
  style = document.createElement('style');
  style.type = 'text/css';
  style.innerHTML = css;
  head.appendChild(style);
}
addGlobalStyle('a { color: #4078c0 }');
})();