|The categories can always be found on the left side of the catalogue (yellow marking).
|The categories can be opened by clicking on the arrow in front.
|Click on "All" to display all categories again.
|To go one step back, click on the upper category.
If you have a user account, you can also mark categories as favorites. To do this, click on the desired category, then on the red menu icon on the right side. There you find the option "Mark as favorite".
The marked category will appear directly below the categories under "Favorite Categories".