JSFiddle - React, Tailwind, and code Playground

HTML

<iframe src="http://fiddle.jshell.net//mattography/tt8k0e0o/4/show/" class="iframe-div" width="800" height="400"></iframe>

JavaScript

$(document).ready(function () {
    $('.iframe-div').load(function () {
        $(this)
            .contents().find("head")
            .append($('<link rel="stylesheet" type="text/css" href="style.css">'));
    });
});