Fixes for Headphone Actor Chrome theme

// ==UserScript==
// @name         Headphone Actor Theme
// @namespace    http://twisted.cat/
// @version      0.1
// @description  Fix and add stuff to the Headphone Actor Chrome theme.
// @author       Ani ( https://github.com/LuaTenshi )
// @require      http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js
// @include      http://www.google.*
// @include      https://www.google.*
// @grant        none
// ==/UserScript==

const REGEXP = /^https?:\/\/www.google.[a-z.]+\/\_\/chrome\/newtab.*/;
var isDefaultNewTab = REGEXP.test(top.location.href);
if(isDefaultNewTab){
    setTimeout(function(){ $("body").css("background-size", "cover"); },500)
}else{
    function main(){
       $("body").css("background-color", "#fff");
       $("body").css("background-image", "url(https://i.imgur.com/TNeJetL.jpg)");
       $("body").css("background-attachment", "fixed");
       $("body").append("<div class='what' style=\"position:fixed;top: 0px;width:100%;height: 100%;background-color: rgba(255, 255, 255, 0.92);z-index: -1;\">");
    } window.addEventListener("load",function(e){main()});
}