Sidebar on ipad portrait to small

Hello Noda,
I still need help in this case. I tried to wrote to you here, but you did not answer me. So I will try again, because I need your help in this case.

https://https://hb-themes.com/forum/all/topic/sidebar-on-ipad-portrait-to-small/hb-themes.com/forum/all/topic/sidebar-on-ipad-portrait-to-small/

I´m using a sidebar menu in the right sidebar and it is looking awfull on ipad portrait mode. Is it possible that the box of the sidebar menu is under the content like it is on a mobil phone? Only for the i pad portrait mode? Do you kno what I mean?

Can you help me, please?

Greetings Melanie