[DicIfTEx]

FWIW you're not alone in thinking that: there's a W3C CSS4 Community Group[0] now, and you can find more detail on their proposal at https://github.com/w3c/csswg-drafts/issues/4770 and ongoing CSS[3|4|5|Next] categorisation work at https://css-levels.netlify.app/

[0]: https://www.w3.org/community/css4/