A nice short article. If you want to dive deeper with lot more examples, quite a lot of them much simpler to get to have an idea faster, I'd like to suggest an old article from CSS-Tricks. The article is from 2021 but still very valid and well-done.

https://css-tricks.com/exploring-property-and-its-animating-...

You will particularly like the Airport number/timer flip display type example.