<script src="shared.js"></script>
<link rel="stylesheet" href="shared.css" />
<style>
  html, body {
    min-width: 460px;
    min-height: 39px;
  }

  hr {
    width: 100%;
  }
</style>
<p>
  <b>This page is using the production build of React. &#x2705;</b>
  <br />
  Open the developer tools, and  "Components" and "Profiler" tabs will appear to the right.
</p>