image-width.userscript.js

// ==UserScript==
// @name         HF image size restriction
// @version      a
// @description  Don't allow images in threads to be wider than the page.
// @author       DrDoof
// @match        https://hackforums.net/showthread.php*
// @match        http://hackforums.net/showthread.php*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';



    GM_addStyle(`
        .post_content img {
            max-width: 100%;
        }
    `);



})();