index.html

<!DOCTYPE html>
<html>
  <head>
    <title>Material Starter Kit</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- import the Material stylesheet -->
    <link rel="stylesheet" href="./bundle.css">
  </head>
  <body class="mdc-typography">
    <h1 class="mdc-typography--headline3">Hello, Material Starter Kit!</h1>
    <p class="mdc-typography--body1">
       A starter kit to get you up and running with Material Components for the Web. <a href="https://glitch.com/~material-starter-kit">Remix and start theming.</a>
    </p>
    <br>
    <button class="foo-button mdc-button mdc-button--raised">
      Hello World
    </button>
    
    <!-- import the Material javascript file -->
    <script src="./bundle.js" async></script>
  </body>
</html>