some images are not fully displayed

Hi,

I looked in your demo and scroll down all the pages, all is fine.
When I scrolled up, I noticed, that in some cases a part of the previous image remaining on the bottom.
Let me give you some hints:
0. open your demo at https://catchthemes.com/demo/catch-fullscreen-pro
1. scroll down to section #latest-post-5704
2. scroll one section up to #latest-post-5296 and take a look at the bottom
3. scroll down to section #latest-post-5700
4. scroll one section up to #latest-post-5704, same problem here
5. scroll up to section #latest-post-5296
6. scroll one section up to #team-section, all are fine here

greetings