@scope

There is a way to declare a scope on a specific selector, a specific selector *down to* another selector, or with no

There is an already-classic @scope demo about theme colors. Let’s recap that and then I’ll show how it relates to any situation with modifier classes. (The @scope rule is a newish feature in CSS that is everywhere-but-Firefox, but is in Interop 2025, so shouldn’t be too long to be decently usable.) There are lots of […]

There is an entirely web-platform way of injecting scoped CSS styles into the DOM. It’s requires zero tooling. Will we see it being used more, once Firebox support is there?