[css-forms-1] Use better fallbacks for ::picker(select)
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Description
@fantasai suggests using:
position-try-fallbacks: flip-block, flip-inline, flip-block flip-inline; instead of the current fallbacks, since it flips margins/insets as well.
(So if you add margin-block-start: 10px to ::picker(), it becomes margin-bottom: 10px when the fallback is used)
Equivalent changes should be done in HTML as well.
cc @josepharhar @annevk @fantasai @lukewarlow @mfreed7
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in the CSS Forms Level 1 specification by locating the current ::picker(select) position-try-fallbacks declarations, then find the equivalent rules in the HTML specification. Replace the current fallback lists with the proposed block and inline combinations, and verify that both specifications contain equivalent changes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- documentation, web-dev
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100