If you go from one tab to another in the first tab, the second tab appears below:
https://fotos.subefotos.com/276ed4524f1fdc398cf9722ec1c854aao.png
There you see how the second tab appears below the first:
https://fotos.subefotos.com/4e81e8917dffbc4d13ecb468374b49fao.png
When I navigate from one tabs to another the first one begins to overlap.
1. Select second tabs and then first.
2. The content of the second below appears.
