Show HN: Breakout programmed in CSS (no JavaScript)

I always see great questions here and I'd love to talk about the specifics of the CSS code involved here if anyone is curious or has questions.

I have written about the very basics of the "engine" driving this on my blog but there's a lot more involved in many different directions of its creation:

https://dev.to/janeori/expert-css-the-cpu-hack-4ddj

Happy Monday!

// Jane