Click on "Upper Bar" to view the settings and customization options for the top bar.
1. By default a "Burger-Icon" to open the sidebar is here. You can either disable it or customize it.
2. Click also here on "Design" to change the basic appearance of the top bar
3. You can create new entries in the upper bar by opening the Content Manager and navigate to "Upper bar". Click on "New Entry" to add an own new upper bar entry. Once added, click on it to open the page and add content.