Hello,

1. Please clarify how is it a “hidden header background”, do you mean to fix that appearance https://prnt.sc/STh_TC0fvxvU ?

2. In order to change the Footer for a specific page (e.g category), you need to use our presets for it.

Here is our documentation on how to use them: https://xtemos.com/docs-topic/theme-settings-presets/

Kind Regards