JSFiddle - React, Tailwind, and code Playground

HTML

<iframe id="tree" name="tree" src="http://www.implant-ivf.com/" onload="if (window.parent && window.parent.autoIframe) {window.parent.autoIframe('tree');}"></iframe>

JavaScript

function autoIframe(frameId){
        try{
                frame = document.getElementById(frameId);
                innerDoc = (frame.contentDocument) ? frame.contentDocument : frame.contentWindow.document;
                objToResize = (frame.style) ? frame.style : frame;
                objToResize.height = innerDoc.body.scrollHeight + 10;
        }
        catch(err){
                window.status = err.message;
        }
}