Adobe portfolio marta theme

1. It will be great to have the option to change the background for the footer.
For example, I have a project that I made on white bg, but for all site bg I use purple color.

"For more in this collection" white is horrible.

So how can I make one color for the project and different for footer?

2. Please, add custom background for the mobile fullscreen menu.
In "navigation container" you have the checkbox "include background color". But if I have the same menu color (text) and bg color I do not see "Regular" menu button on mobile, I just see "Rollover".