Please share your store URL and password.
So that I will check and let you know the exact solution here.
@onemilliontoes Please share Store url and Password. If you don't have any experience with coding then share staff login so i will make changes in code to fix your issue
@onemilliontoes I have accepted your staff invitation.
Could you please share image where you want border and with which color border as well as location of which menu you want reduce height?