JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE HTML>
<html>
<head>
<style>
html, body {
    margin: 0px;
    padding: 0px;
    border: 0px;
    width: 100%;
    height: 100%;
}
iframe {
    width: 50%;
    height: 50%;
    margin: 0px;
    padding: 0px;
    background: blue;
    border: none;
    display: inline-block;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
</head>
<body>
<iframe></iframe>
<iframe src="mobile.css"></iframe>
<iframe src="./"></iframe>
<iframe></iframe>
</body>
</html>