Nav backround color

The color of the nav background changes to blue when the popup opens by default the background of the nav is set to green.

Here is my public share link: Webflow - Sunday Swing Golf Performance

Couldn’t recreate this behavior, I think by “popup” you meant the modal which is triggered by “Become a Member/Coach” in your nav?

Yes, Thanks for the help @shawncarrie I have fixed the issue. It was related to mobile breakpoint interaction.