A ruler of sorts? Gives you a sense of how big a CSS pixel is. On desktop, you can auto-scroll and see some nice periodic graphics. Doesn't work too well on mobile. (It seems like the font sizes safari can display is discrete)
Inspired by that webpage that didn't close their h2 tags so the font size kept comically increasing
Inspired by that webpage that didn't close their h2 tags so the font size kept comically increasing