w3c / w3c/csswg-drafts

[css-borders-4] corner-shape: angle and partial borders

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css-borders-4
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Description

Border style changes are currently a bit awkward on curved borders, but it seems like most of the time a gradual change would be ideal...

However for corner-shape: angle it might not be so obvious what the appropriate handling should be... in particular, between having a border and not having a border, it would be awkward to transition suddenly halfway; and there are reasonable use cases for having both a gradual transition to 0-width and for having the entire diagonal be a single width.

It might make sense to define thickness transitions to be gradual, but transitions to/from none be sudden? Then both options are possible.

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Research direction

Start with the css-borders-4 specification discussion around corner-shape: angle and partial borders. Determine the intended behavior for gradual thickness changes, transitions to or from none, and a full-width diagonal, then capture the selected behavior in the relevant draft text.

Written by the indexing model from the issue text.

Assessment

Tech stack
css
Domain
frontend, web-dev
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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