Add `media` attribute for `<meta>` element (for `<meta name="theme-color">`)

[Schweinepriester]

• https://github.com/whatwg/html/issues/6495

• https://css-tricks.com/safari-15-new-ui-theme-colors-and-a-css-tricks-cameo/

  The addition is that it supports media queries.

• Safari/WebKit:

  • Shipping in Safari 15: https://developer.apple.com/documentation/safari-release-notes/safari-15-beta-release-notes#HTML
  • https://bugs.webkit.org/show_bug.cgi?id=224389
  • https://developer.apple.com/videos/play/wwdc2021/10029/

• Chrome: https://bugs.chromium.org/p/chromium/issues/detail?id=1200528

• Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1706179

Related to but not the same since that's for Web App Manifest: https://github.com/w3c/manifest/issues/975

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I can imagine that this could get merged into https://caniuse.com/meta-theme-color depending on how it goes. In any case it's related.

[Malvoz]

Chrome: https://bugs.chromium.org/p/chromium/issues/detail?id=1200528

Supported in Chrome from v93:

• https://chromestatus.com/feature/5764461413531648
• https://developer.chrome.com/blog/new-in-chrome-93/#more