index.html

<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8">
        <title>coffeeBoard - test task</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
        <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react.js"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react-dom.js"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/react-bootstrap/0.31.2/react-bootstrap.js"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.23/browser.min.js"></script>
    </head>
    <body>
        <div id='contentSheet'></div>
        <script src="main.js" type="text/babel"></script>
    </body>
</html>