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Firefox for Web Developers

@webdevs.firefox.com

CSS @scope has landed in Firefox 146, making it a new baseline feature. Here's how it works:

9/12/25, 3:55 pm20 reposts70 likes

Firefox for Web Developers

@webdevs.firefox.com

Learn more about @scope on MDN developer.mozilla.org/en-US/docs/W...

developer.mozilla.org@scope - CSS | MDNThe @scope CSS at-rule enables you to select elements in specific DOM subtrees, targeting elements precisely without writing overly-specific selectors that are hard to override, and without coupling y...