feat(css): update computed for border/column-rule/outline-width, outline-offset#1069
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sb3nder
changed the title
border/column-rule/outline-width, outline-offsetborder/column-rule/outline-width, outline-offset
This was referenced May 19, 2026
dipikabh
requested changes
Jul 8, 2026
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Description
This PR updates the computed value for
border-*-width,column-rule-width,outline-width,outline-offset,-webkit-border-*-width, to "the absolute length, snapped as a line width".Motivation
Additional details
border-*-width,column-rule-width,outline-widthsnapped as a line width:w3c/csswg-drafts#5210
Computed value untangled from
*-styleproperties value:w3c/csswg-drafts#11494 (comment)
outline-offsetsnapped as a line width:w3c/csswg-drafts#12906
Definition of "length snapped as a line width":
https://drafts.csswg.org/css-values-4/#snap-as-a-line-width
Related issues and pull requests
Depends on: mdn/content#44193