Nature fieldset overflows border box on Chrome, macOS

[mattxwang]

Hi Slim,

This is a great tool! I noticed one small visual bug, for Chrome 96 on macOS: the list items in the Nature fieldset overflows the border box by a bit:

I don't have this problem on Firefox 95, also on macOS:

Happy to submit something (though I'm not sure how to fix this off the top of my head), but also want to make sure this is reproducible!