Does it look good on your PC?
Edit: I flushed cache, turned caching plugin off / on, used several different browsers on different devices and cleared all website data in the browsers, used private mode in Firefox and Chrome. The menu bar is still overlapping the contact bar
Should the css not be something like this. Only problem - the menu bar is after scrolling down again not on top of the site, it remains 9px / 55px whatever you use below the top.:
I have seen, that when you open the inspector the menu bar is in the beginning with
But after scrolling down and up again, it changes to