[Theme Fine] Transparency bars and menu

Hi,

I cannot find the code and/or changes that I need to do in this theme (Fine) on wordpress.

My goal is to take the orange color behind the logo and on the menu bar and just make it transparent.

The website that I am trying to do it is https://www.sapatariadoboske.pt

Any tips?
cheers,

The blog I need help with is travelismyonlyescape.wordpress.com.