Production Application Warning Box

script.js

// ==UserScript==
// @name         Production Application Warning
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://order.universitytees.com/*
// @match        https://order.717ink.com/*
// @match        https://order.onpointpromos.com/*
// @match        http://sosa.717ink.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    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('' +
                   'body {' +
                   '  padding-top: 30px;' +
                   '} ' +
                   'body:after {' +
                   '  position: fixed;' +
                   '  content: "!! PRODUCTION !!";' +
                   '  z-index: 255;' +
                   '  top: 0;' +
                   '  color: white;' +
                   '  display: block;' +
                   '  background-color: #c14f4b;' +
                   '  height: 30px;' +
                   '  line-height: 30px;' +
                   '  font-weight: bold;' +
                   '  width: 100%;' +
                   '  text-align: center;' +
                   '}' + '');
})();