There used to be something similar to do this called "scoped styles", but they were removed in favor of WebComponents. We could have had this without all of the

There used to be something similar to do this called "scoped styles", but they were removed in favor of WebComponents. We could have had this without all of the Shadow DOM baggage. Though maybe it's coming back now? https://github.com/w3c/csswg-drafts/issues/3547 https://github.com/w3c/csswg-drafts/issues/3547