Variations in the opacity of the super-high effect A strange effect causes strange changes in the opacity of the peeps

I have a supervisor with two overlapping subzones (one pink and one green). When the opacity of the parent view changes, an overlapping section is displayed in the subparagraphs (although they are completely opaque). How can I make the presentation as a whole disappear, rather than individual sub-items. I also tried changing the opacity CALayer. Here is the screen:

The full version of the code can be found here .