Change Navigation Menu to static so logo does not change size in Purple Haze Theme

[Sharah]

Hi all, 

I'm trying to figure out where to modify the css code to make the navigation menu size fixed in the purple haze theme.  

Does anyone know how to do this?

Thanks

[Adam7]

Thanks for your post, @Sharah. Is your website published? It might help to post a link to it so other Community members can see the live code.