CSS Display Module Level 3 by World Wide Web Consortium
= CSS Display Module Level 3 by World Wide Web Consortium
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https://www.w3.org/TR/2026/CRD-css-display-3-20260605/
Candidate Recommendation Draft, 5 June 2026. Section2.2 flow-root and AppendixA formatting-context definitions: internal float containment and margins across boundaries. Do not describe this draft as a final Recommendation.