I believe this is a result of it using the "CSSOM" browser APIs for speed in production. Unfortunately, browsers apparently haven't figured out how to make such

I believe this is a result of it using the "CSSOM" browser APIs for speed in production. Unfortunately, browsers apparently haven't figured out how to make such styles editable yet. It's definitely a limitation of certain CSS-in-JS implementations, but unfortunately one that inherently comes from "using the platform."