Navbar styling on small screens

[timhoffm]

The icons and version switcher are cluttered:

Suggested changes:

• Remove bottom margin from version switcher:
  

  

  I believe this is necessary only in our theme, because pydata-sphinx-theme places the switcher differently. In our theme, it's bound together with the dark-mode switch.

• Optionally, let the link icons wrap:
  

  

[story645]

I really like the icons wrapping/can we just force it underneath for the sidebar?

[timhoffm]

No idea. You'll have to find a more adept CSS wizard for that.