JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/ui/1.8.23/themes/base/jquery-ui.css">
<link rel="stylesheet" href="http://static.jquery.com/ui/css/demo-docs-theme/ui.theme.css">
<a href="#" id="contactUs">Contact Us</a>                   
<div id="dialog" title="Contact form">
   <p>appear now</p>
</div>

CSS

#dialog {
    display: none;
}

JavaScript

$(document).ready(function() {
    $("#contactUs").click(function() {
        var $dialog = $("#dialog").dialog({autoOpen : false, modal : true, show : "blind", hide : "blind"});
        $dialog.dialog('open');
        return false;
    });
});