With a preprocessor, like Sass, building a logical "do this or don't" setting is fairly straightforward:

Oh hey! A brand new property that affects how a box is sized! That's a big deal. There are lots of ways already to make an aspect-ratio sized box (and I'd say

I made a Chrome extension this weekend because I found I was doing the same task over and over and wanted to automate it. Plus, I’m a nerd living through a