Userscript that resets the Twitch chat font to the old Helvetica Neue style

reverttwitchchatfont.js

// ==UserScript==
// @name         Revert Twitch Chat Font
// @author       Pointy
// @description  Resets the Twitch chat font to the old Helvetica Neue style  
// @include      *://www.twitch.tv/*
// @version      1.0.0
// ==/UserScript==

(function() {
	var twitchchatfontoverride = document.createElement('style');
	twitchchatfontoverride.innerHTML = ".chat-room {font-family: Helvetica Neue,Helvetica,Arial,sans-serif!important;}";
	document.head.appendChild(twitchchatfontoverride);
})();