UserScript to widen the Site Switcher dropdown in the Ubiquiti Unifi Controller

script.js

// ==UserScript==
// @name         Widen Unifi Site Switcher
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  The Unifi Site Switcher defaults to 200px. We want it wider!
// @author       Moshe Katz
// @match        https://your.unifi.controller.domain/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function addGlobalStyle(css) {
        let head = document.getElementsByTagName('head')[0];
        if (!head) { return; }

        let style = document.createElement('style');
        style.type = 'text/css';
        style.innerHTML = css;

        head.appendChild(style);
    }

    addGlobalStyle('.appOrgSwitcher > .ubntPopover { width: 400px !important; }');
})();