You use your thumb to click on your phone.
That's why all mobile apps have footer navigation.
A good web app should also have footer navigation on a mobile (small) screen!

Episode source code: https://github.com/corsego/138-tailwind-layout/commit/05552c77d1bf6ec7a5f4a37bea6d96dc58c1e660
Based on this blogpost: https://blog.corsego.com/sticky-mobile-footer