w3c / w3c/mathml-core

UA stylesheet: mtd { text-align: center; } does not work

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Dominant language
HTML
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Forks
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Description

cc @Loirooriol @mrego @bfgeek

text-align: center; only centers inline-level content so this does not work for MathML elements (which are block-level). Currently, Chromium and Firefox rely on the non-standard values -webkit-center and -moz-center respectively.

In the future, we should probably rely on CSS alignment properties (see https://github.com/w3c/mathml-core/issues/120).

I'm just opening this issue for the record, so it can be used as a reference in the stylesheet.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the UA stylesheet rule for mtd and review the linked CSS alignment discussion. The issue is currently a reference rather than an actionable change, so completion would require an agreed stylesheet behavior and a way to verify that mtd content is centered.

Written by the indexing model from the issue text.

Assessment

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

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