JSFiddle - React, Tailwind, and code Playground
by hollandben
JavaScript
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script><script>$(document).ready(function(){var i=1;$('iframe').each(function(){$f=$(this);var p=$f.position();var fH=$f.outerHeight();var fW=$f.outerWidth();var fL=p.left;var fT=p.top;$('body').append('<div id="blocker'+i+'"></div>');$('#blocker'+i).css({'position':'absolute','width':fW,'height':fH,'left':fL,'top':fT,'background-image':'url(http://www.ben-holland.co.uk/blog/demo/blank.png)','z-index':'999'});i++})});</script>