index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <title>SCORMy Editor</title>
    <meta name='viewport' content='width=device-width, initial-scale=1'>
    <link rel='stylesheet' type='text/css' media='screen' href='main.css'>
    <script type="text/javascript" src='node_modules/@webcomponents/webcomponentsjs/webcomponents-loader.js'></script>
    <script type='module'>
        // import "./node_modules/@polymer/polymer/polymer-legacy.js";
        import './node_modules/@polymer/paper-styles/element-styles/paper-item-styles.js';
        import './node_modules/@polymer/paper-styles/element-styles/paper-material-styles.js';
        // import './node_modules/@polymer/paper-tabs/paper-tabs.js';
        // import './node_modules/@polymer/iron-pages/iron-pages.js';
    </script>
    <script type='module' src='editor.js'></script>
    <script type='module' src='main.js'></script>
</head>
<body onload="start_editor()">
    <!-- No more seperate index and editor pages -- you start on the editor page -->
    <scorm-editor selected=0></scorm-editor>
</body>
</html>