index.html

<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
  <script src="../../bower_components/webcomponentsjs/webcomponents-loader.js"></script>
  <link rel="import" href="../../bower_components/iron-component-page/iron-component-page.html">
</head>
<body>
  <iron-component-page></iron-component-page>
</body>
</html>