TartarSource / Pressreader.com login bypass

// ==UserScript==
// @name         Pressreader.com login bypass
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Disable need to sign in to view Press Reader content
// @author       anon
// @include      http*://*.pressreader.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    addGlobalStyle('.page-tint.subscriber-content { background-image: none !important; }');
})();

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);
}

// Credit for most of this code goes to https://somethingididnotknow.wordpress.com/2013/07/01/change-page-styles-with-greasemonkeytampermonkey/