How about trigonometric functions in CSS? Or from the other direction, check out implementing a CSS (and HTML) renderer on an ESP32.

He wondered about building Tetris, a Turing Machine, or rendering fractals purely in CSS and HTML. The jury is still out if a Turing machine is possible, but he did manage to generate some simple ...

Top 10 CSS Pro Tips to make your life as a web developer more productive. Some of the best programmers say CSS is too hard… but you might be surprised at how modern techniques can dramatically improve ...