In this playground you can change the instance of the application. The settings are stored in the local storage of your browser. If you want to change the settings, you can edit the JSON in the modal dialog and apply the changes. The app runs every time on the latest build version on github project.

The single page application run fully responsive in the white container. In your environment, you can overwrite css styles and add your own css styles. If you want you can add new css file after the app.css file in meta tag for mangage your own styles.