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jensimmons csswg Specificity only has three layers, & only the middle (classes/attributes) layer is flexible enough for most use cases. IDs can only be used once per page, & tags need to be reused semanticly. They're useful but very limited.Permalink On twitter.com
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jensimmons csswg When everything is in a single layer, minute changes can have major impact. Everything relies on careful counting of selectors, and careful management of source order. Specificity should be more robust. We need ways to create custom tag-layer – & reusable id-layer – selectors.On twitter.com