JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://unpkg.com/react@15/dist/react.js"></script>
<script src="https://unpkg.com/react-dom@15/dist/react-dom.js"></script>
<div id="app"></div>
Babel + JSX
const App = ({ children }) => <div>{children}</div>
const Layout = ({ children }) => <h1 id="layout">{children}</h1>
const PageOne = () => <Layout>One</Layout>
const PageTwo = () => <Layout>Two</Layout>
const container = document.getElementById('app');
ReactDOM.render(<App><PageOne /><PageTwo /></App>, container);