CSS Gap Decorations #1374

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1. o-t-w

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   focus-area-proposalFocus Area ProposalFocus Area Proposal

   on Sep 6, 2026
2. github-project-automation

   added this to Interop 2027on Sep 6, 2026
3. github-project-automation

   moved this to Todo in Interop 2027on Sep 6, 2026
4. github-actions commented on Sep 6, 2026

   

   github-actionsBot

   on Sep 6, 2026 – with GitHub Actions

   Last edited by github-actions

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   Below is additional information about the web feature (from the web-features project) which is referenced in your proposal.
   If this doesn't accurately correspond to your proposal, please update your initial comment to include web-features: <feature-id>.
   To find feature IDs, use the web-features explorer.

   Feature Gap decorations

   • ID: gap-decorations
   • Name: Gap decorations
   • Description: The column-rule and row-rule CSS properties display decorative lines between columns and rows of a flex, grid, or multi-column layout. The rule-break, rule-outset, and rule-paint-order properties control the appearance of these lines.
   • Baseline status: Limited Availability
   • Docs: column-rule-visibility-items CSS property, row-rule-visibility-items CSS property, rule-visibility-items CSS property
   • Standard positions: Mozilla (positive), WebKit (support)
   • Developer signals: 53 votes / 1 use case (details)
   • Chrome use counter: chromestatus.com (~0.088% of page loads)
   • State of CSS/JS/HTML surveys: State of CSS 2026 (shapes_graphics question), State of CSS 2026 (reading_list question), State of CSS 2026 (_all_features question)
   • WPT tests: wpt.fyi results
   • More information: See the web-features explorer