A userscript to redesign the PPCG website

WeArePPCG.js

// ==UserScript==
// @name        favicon
// @namespace   Cᴏɴᴏʀ O'Bʀɪᴇɴ
// @version     1
// @grant       none
// ==/UserScript==

function qS(x){
  return document.querySelector(x);
}
window.addEventListener("load",function(){
  var FAVICON = "http://i.stack.imgur.com/jOhpI.png";
  var SPRITE_SHEET = "http://i.stack.imgur.com/pHpiY.png";
  if((window.location+"").search("http://codegolf.stackexchange.com")>=0){
    qS("link[rel$=\"icon\"]").href = FAVICON;
    var x = qS(".beta-title").parentElement;
    qS(".beta-title").parentElement.removeChild(qS(".beta-title"));
    x.innerHTML = "<table id=\"newlogo\"><tr><td><img src=\""+FAVICON+"\" height=50></td><td>Programming Puzzles &amp; Code Golf</td></tr></table>";
    document.head.innerHTML += "<style>@import url(https://fonts.googleapis.com/css?family=Exo+2|Source+Sans+Pro);"+
      ".container{box-shadow:none;}.envelope-on,.envelope-off,.vote-up-off,.vote-up-on,.vote-down-off,.vote-down-on,.star-on,.star-off,.comment-up-off,.comment-up-on,.comment-flag,.edited-yes,.feed-icon,.vote-accepted-off,.vote-accepted-on,.vote-accepted-bounty,.badge-earned-check,.delete-tag,.grippie,.expander-arrow-hide,.expander-arrow-show,.expander-arrow-small-hide,.expander-arrow-small-show,.anonymous-gravatar,.badge1,.badge2,.badge3,.gp-share,.fb-share,.twitter-share,#notify-containerspan.notify-close,.migrated.to,.migrated.from{background-image:url(\""+SPRITE_SHEET+"\");background-size: initial;}.youarehere{color:rgb(72,125,75) !important;border-bottom:2px solid rgb(72,125,75) !important;}/*.bounty-indicator-tab{background:rgb(172,225,175);color:rgb(72,125,75) !important;}*/#sidebar .module.community-bulletin{background:rgb(172,225,175);background:rgba(172,225,175,0.45);}html,body{font-family:\"Source Sans Pro\"}#header{background:#EDEDED;}#header *{color:#4C4C4C;}#content,.container{background:#FAFAFA}#newlogo{font-family:\"Exo 2\";top:-15px;position:relative;}#newlogo td{padding-right:15px;}#hlogo a{width:600px;}</style>";
  }
  if((window.location+"").search("http://meta.codegolf.stackexchange.com")>=0){
    document.querySelector("link[rel$=\"icon\"").href = FAVICON;
  }
  if(document.getElementById("siterooms")!=null&&document.getElementById("siterooms").getAttribute("title")=="all Programming Puzzles & Code Golf rooms"){
    document.querySelector("link[rel$=\"icon\"").href = FAVICON;
  }
});