[_bxg1]

I believe I saw something that said CSS is Turing Complete*

* Only with user interaction to step things along, similar to powerpoint: https://www.youtube.com/watch?v=uNjxe8ShM-8

[CriticalCathed]

If hovering counts as user interaction...

[_bxg1]

It does; it triggers an event just like clicking (or in the case of CSS, a state change).