Design not the same after update

Hello,
I try to update the theme, but the design is not the same anymore. I´m using an old elemenet, I know and the design (background pictures fullwith) is nested. So I set up a test page on my sever. After the update from 3.5.0.3 to 3.5.1.1., the nested design is crashed, before everything was fine. ( See the pictures).

Can you please help me, also when I´m using an element on the page “Fullwidth Section” (You are using outdated element, it is deprecated since version 1.). Could you tell me how to get it back, so that both backgrounds are on top of each other?

Can you tell me how to fix it. I would have to correct it in the online page or can you do that for me, I would pay for it too?

I will send the admin.

Thank you,
Melanie