JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://fancyapps.com/fancybox/source/jquery.fancybox.js"></script>
<link rel="stylesheet" href="http://fancyapps.com/fancybox/source/jquery.fancybox.css">
<a class="fancybox" href="http://blnwb.co/pdf.pdf">Popup</a>

JavaScript

$(document).ready(function () {

	$(".fancybox").fancybox({
        type: 'iframe'
	});

});