Changes style of Gist's syntax highlight to paste into some presentation tools like Keynote.

paste_your_code_your_color.user.js

// ==UserScript==
// @name           paste_your_code_your_color.user.js
// @namespace      http://yuyat.jp/
// @description    Changes style of Gist's syntax highlight
// @include        https://gist.github.com/*
// ==/UserScript==

(function () {
  var changeStyle = function (className, style) {
    var
      elements = document.getElementsByClassName(className),
      i;

    for (i = 0; i < elements.length; i++) {
      elements[i].setAttribute('style', style);
    }
  };

  changeStyle('a',   'color: rgb(200, 200, 200);');
  changeStyle('o',   'color: rgb(200, 200, 200);');
  changeStyle('p',   'color: rgb(255, 255, 255);');
  changeStyle('k',   'color: rgb(222,  49, 103);');
  changeStyle('n',   'color: rgb(155,  41,  36);');
  changeStyle('err', 'color: rgb(233, 180, 200); background: none;');
  changeStyle('nc',  'color: rgb(168, 247, 141);');
  changeStyle('nf',  'color: rgb(233, 180, 200);');
  changeStyle('nv',  'color: rgb(109, 184, 255);');
  changeStyle('nx',  'color: rgb(229, 133,  38);');
  changeStyle('na',  'color: rgb( 66, 255, 135);');
  changeStyle('nb',  'color: rgb( 66, 255, 135);');
  changeStyle('kd',  'color: rgb(163, 216, 121);');
  changeStyle('kp',  'color: rgb(252, 241, 141);');
  changeStyle('sd',  'color: rgb(202, 248, 180);');
  changeStyle('s1',  'color: rgb(250, 208, 100);');

  changeStyle('highlight', 'background: rgb(0, 0, 0);');
})();