It took me at least 5 minutes to work out what to do. It is not immediately apparent you have to type in the selectors in the styling box, I thought you had to click on the animated objects. Pretty cool idea, I found it a little too easy, but as a developer already, maybe I am not the target market. You did manage to throw in a few curve balls like needing to use general and adjacent sibling selectors to select parti…
Likewise. I kept typing ".plate", until I looked more carefully and realized there was a plate tag. I can see this being used as a teaching tool.
What would be nice as a learning helper: having some display of what was actually selected with the last command. For example little hands displayed on top of the objects would somewhat match the theme.