JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://fb.me/react-with-addons-0.11.0.js"></script>
<script src="http://fb.me/JSXTransformer-0.11.0.js"></script>
<div style="width: 300px; height: 300px; background-color: white;">
<p>
Hello World!!
</p>
</div>

CSS

body {
  padding: 0;
  margin: 0;
  font-family: Helvetica;
  font-size: 14px;
  font-weight: 100;
}

div, span {
  box-sizing: border-box;
  position: relative;
  border: 0 solid black;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  flex-shrink: 0;
}

JavaScript 1.7

function tets