I want my functions that affect the containers to affect its respective content alone, and not ALL the contents on the layout.
For what I've searched, it's a known issue that actually has workarounds, but I have tried those that seemed close to my needs and I have utterly failed.
This one has an edit at the end of the page that I can't translate to the actual solution they propose:
This one I did step by step but didn't work for me:
So what I'm asking for is for any kind soul out there to explain me like I'm 5 years old how to do this :(