How to edit hamburger nav?

hey, I need some desperate help If you can refer to the attached images the normal hamburger settings are not showing and I need to edit the nav so I can change the images on the background and where when you click home it needs to take you to the homepage but is not allowing me to edit this is a Atem template if you can help this would be much appreciated thanks

p.s ask any qs ill try my best to answer

It looks to me like it’s a custom built Block, not Webflow’s native nav.