// ==UserScript==
// @name         Nested Extender
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       Hasaabitt
// @match        *://orteil.dashnet.org/nested*
// @grant        none
// ==/UserScript==

(function() {
    document.getElementsByClassName("thing")[0].id = "topElement";
    document.getElementById('topElement').style.width = document.getElementById('topElement').offsetWidth + "px";
    window.onkeypress = function(event){
        var newwidth;
        if(event.key == '['){
            newwidth = Number(document.getElementById('topElement').style.width.substr(0, document.getElementById('topElement').style.width.length-2)) - 100;
            document.getElementById('topElement').style.width = (newwidth + "px");//(document.getElementById('topElement').style.width - 100) + "px";
        }else if(event.key == ']'){
            newwidth = Number(document.getElementById('topElement').style.width.substr(0, document.getElementById('topElement').style.width.length-2)) + 100;
            document.getElementById('topElement').style.width = (newwidth + "px");//(document.getElementById('topElement').style.width - 100) + "px";
        }
    }
})();