JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/cupertino/jquery-ui.css">
<script src="https://raw.github.com/fnagel/jquery-ui/selectmenu/ui/jquery.ui.selectmenu.js"></script>
<select id="products">
    <option>Select a product...</option>
    <option>Windows XP</option>
    <option>Windows Vista</option>
    <option>Windows 7</option>
</select>

<select id="medium"></select>

CSS

#main > li {
    width: 45%;
    float: left;
}
/*
* jQuery UI Select Menu 1.8.14
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Button#theming
*/
.ui-selectmenu {
    display: block;
    position: relative;
    height: 2.2em;
    vertical-align: middle;
    text-decoration: none;
    overflow: auto;
    zoom: 1; }
.ui-selectmenu-icon {
    position: absolute;
    right: 6px;
    margin-top: -8px;
    top: 50%; }
.ui-selectmenu-menu {
    /* z-index: 1005 to make selectmenu work with dialog */
    padding: 0;
    margin: 0;
    list-style: none;
    position: absolute;
    left: 0;
    top: 0;
    display: none;
    overflow: hidden;
    z-index: 1005; }
.ui-selectmenu-menu li {
    padding: 0;
    margin: 0;
    display: block;
    border-top: 1px dotted transparent;
    border-bottom: 1px dotted transparent;
    border-right-width: 0 !important;
    border-left-width: 0 !important;
    font-weight: normal !important; }
.ui-selectmenu-menu li a {
    line-height: 1.4em;
    display: block;
    padding: .405em 1em;
    outline: none;
    text-decoration: none; }
.ui-selectmenu-status {
    line-height: 1.4em;
    display: block;
    padding: .405em 1em;
    outline: none;
    text-decoration: none;
    vertical-align: middle; }
.ui-selectmenu-open {
    display: block; }
.ui-selectmenu-popup {
    margin-top: -1px; }

.ui-selectmenu-menu li.ui-state-disabled a, .ui-state-disabled {
    cursor: default; }

.ui-selectmenu-menu li.ui-selectmenu-hasIcon a,
.ui-selectmenu-hasIcon .ui-selectmenu-status {
    padding-left: 20px;
    position: relative;
    margin-left: 5px; }

.ui-selectmenu-menu li .ui-icon, .ui-selectmenu-status .ui-icon {
    position: absolute;
    top: 1em;
    margin-top: -8px;
    left: 0; }

.ui-selectmenu-status {
    line-height: 1.4em; }

.ui-selectmenu-menu li span, .ui-selectmenu-status span {
    display: block;
 ...

JavaScript

var mediumSelection = {
    'Windows XP': [[1, 'CD'], [2, 'DVD'], [3, 'Download']],
    'Windows Vista': [[2, 'DVD']],
    'Windows 7': [[2, 'DVD'], [3, 'Download']]
};

$('#products, #medium').selectmenu({
  width: 200
});

$('#products').selectmenu({
  width: 200
});