*Summary:* The "prefers-reduced-transparency" media query allows websites to reduce the amount of transparent objects/effects to become more accessible for some users who may have difficulties parsing content through translucent backgrounds, etc. Based on system settings.
With https://phabricator.services.mozilla.com/D172424, it is now implemented behind the preference said below, disabled by default. *Bug:* https://bugzilla.mozilla.org/show_bug.cgi?id=1736914 *Specification:* https://www.w3.org/TR/mediaqueries-5/#descdef-media-prefers-reduced-transparency *Standards body:* W3C *Platform coverage:* All *Preference:* layout.css.prefers-reduced-transparency.enabled *DevTools bug:* https://bugzilla.mozilla.org/show_bug.cgi?id=1822185 for emulation *Standards position:* https://github.com/mozilla/standards-positions/issues/393 *Other browsers:* - *Blink*: Not shipped or implemented. No bug or standards position. - *WebKit*: Not shipped or implemented. Bug: https://bugs.webkit.org/show_bug.cgi?id=175497. Specific standards position: https://github.com/WebKit/standards-positions/issues/145 *Web platform tests:* Added in same Gecko patch, https://phabricator.services.mozilla.com/D172424 *How stable is the spec:* Media Queries Level 5 is currently a Working Draft. *Security & privacy concerns:* This potentially introduces a fingerprinting vector, so the pref for this specific media query will be kept disabled by default until decided. Bug for potentially enabling by default: https://bugzilla.mozilla.org/show_bug.cgi?id=1822176 *Web designer / developer use-cases:* Some users find it hard to parse text or content with translucent backgrounds. This media query can allow websites to make pages more opaque to assist people who may struggle otherwise. -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/3aabf7b8-e22e-4139-95e4-c3daf5e82ab3n%40mozilla.org.
