CSS is changing so fast. I guess we will see Doom in CSS shortly
This project is based on just one new proposed rule which won't be available in all mainstream browsers until 2027-28, and won't be safe for production use until close to the end of the decade.
Of note from 2023: subgrids, :has, container queries, nesting... And in 2022, cascade layers (plus <style scoped>, I mean @scope, I mean :scope).