Can you please implement the CSS @scope rule? It allows CSS rules to be applied to a part of the document, with upper and lower bounds described by selectors.
For more details: https://drafts.csswg.org/css-cascade-6/#scoped-styles
@Jon That's wonderful news! Thanks for the update
This is now delivered with Firefox 146 — thanks all for your help in pushing the work forward!
If you have any questions or feedback, let us know 😃
never-displayed