Panels hiearchy problem

Hello everyone,
I am quite new to unity background, but i read and tried a lot of tutorials but i really cant figure out why is this.
I put panels into hiearchy , and everything works expect of this:

here is my panel hiearchy:

The reward is the green rectangle, insulin dosages is the white part with numbers.
I have no idea what could have gone wrong? Can anyone give me an advice what to do with this?
Here are settings on my panels:

Thank you for any answear, and i am sorry if it is a stupid question, but as a beginner i am sitting over it for more than 4 hours getting no result … Thanks!




What actually is the issue?