Increase tap area of main navigation links

[joshbruce]

Describe the bug

Results of https://pagespeed.web.dev/analysis/https-mastering-the-mundane-com/yc3w4xfxms?form_factor=mobile for 1.0.0 state:

Interactive elements like buttons and links should be large enough (48x48px), or have enough space around them, to be easy enough to tap without overlapping onto other elements.

To Reproduce

Run the analysis link above.

Expected behavior

100% on SEO score.