With Firefox 4-26 fallen out of basic browser support in T266866, those prefixes have become obsolete.
Also, in spare cases remove prefixed properties that should have been gone for a while alongside the obsolete `-moz` ones, like `-webkit-border-radius`
Note, extensions
- DonationInterface and
- FundraisingEmailUnsubscribe
are not touched, as HTML in email is a mess and the CSS code is in no way comparable to any of the other extensions standards-wise.
=== Dev notes
Removal of
- `-moz-keyframes`
- `-moz-animation`
- `-moz-transform`
- `-moz-transition`
- Flexbox 2009 spec properties (around `*box*`)
[[https://codesearch.wmcloud.org/deployed/?q=-moz-(keyframes%7Canimation%7Ctransform%7Ctransition)&i=nope&files=&excludeFiles=&repos=|Search]].
Results, manually pruned to ignore upstream libraries and irrelevant results:
``` lines=20
[ ] MediaWiki core (2 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/core/+/a38aa2036097da92cd6899d87954be461aae79e8/resources/src/mediawiki.widgets/mw.widgets.DateInputWidget.styles.less|resources/src/mediawiki.widgets/mw.widgets.DateInputWidget.styles.less]] (1 matches)
[ ] WikimediaDebug (1 files)
** [[https://gerrit.wikimedia.org/g/performance/WikimediaDebug/+/5c4b7e3fd6ea491c69918667478b33e2d74c0166/popup.css|popup.css]] (1 matches)
[ ] mediawiki/extensions/Collection (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/Collection/+/ebd8579c5340d08c614bffbdeba1892706f828da/resources/ext.collection.bookcreator.styles/bookcreator.less|resources/ext.collection.bookcreator.styles/bookcreator.less]] (1 matches)
[ ] mediawiki/extensions/CommonsMetadata (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/CommonsMetadata/+/53a3d8c7fe65e3ddeaa3f7f1306e41ca348f32c0/tests/html/File_Sikh_pilgrim_at_the_Golden_Temple_(Harmandir_Sahib)_in_Amritsar,_India.jpg.html|tests/html/File_Sikh_pilgrim_at_the_Golden_Temple_(Harmandir_Sahib)_in_Amritsar,_India.jpg.html]] (1 matches)
[ ] mediawiki/extensions/DonationInterface (6 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/DonationInterface/+/8993ec8696ad2aed6f5caa2d673737a8374f5a41/adyen_gateway/forms/iframe/css/screen.css|adyen_gateway/forms/iframe/css/screen.css]] (2 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/DonationInterface/+/8993ec8696ad2aed6f5caa2d673737a8374f5a41/adyen_gateway/forms/redirect/css/screen.css|adyen_gateway/forms/redirect/css/screen.css]] (1 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/DonationInterface/+/8993ec8696ad2aed6f5caa2d673737a8374f5a41/email_forms/templates/optinTop_wle_001.html.mustache|email_forms/templates/optinTop_wle_001.html.mustache]] (29 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/DonationInterface/+/8993ec8696ad2aed6f5caa2d673737a8374f5a41/gateway_forms/mustache/forms.css|gateway_forms/mustache/forms.css]] (3 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/DonationInterface/+/8993ec8696ad2aed6f5caa2d673737a8374f5a41/globalcollect_gateway/forms/css/iframe.css|globalcollect_gateway/forms/css/iframe.css]] (2 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/DonationInterface/+/8993ec8696ad2aed6f5caa2d673737a8374f5a41/modules/css/monthlyConvert.css|modules/css/monthlyConvert.css]] (1 matches)
[ ] mediawiki/extensions/Math (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/Math/+/2c98842973d8bff20573858e947f9f454df841de/modules/ve-math/ve.ui.MWLatexPage.css|modules/ve-math/ve.ui.MWLatexPage.css]] (1 matches)
[ ] mediawiki/extensions/MediaSearch (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/MediaSearch/+/f206f0d480d62d616f10cd42da340d717ae0f019/resources/sd-base-variables.less|resources/sd-base-variables.less]] (2 matches)
[ ] mediawiki/extensions/PageTriage (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/PageTriage/+/ce0915919f8e363ffa9cadab9b6fddfe4c98a6ac/modules/ext.pageTriage.views.toolbar/ToolbarView.css|modules/ext.pageTriage.views.toolbar/ToolbarView.css]] (1 matches)
[ ] mediawiki/extensions/Score (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/Score/+/708dc03e1648638528d4cbbc2344234efc7ed4d4/modules/ext.score.popup/popup.css|modules/ext.score.popup/popup.css]] (1 matches)
[ ] mediawiki/extensions/VisualEditor (3 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/VisualEditor/+/787bc0db172a6a0434dfee162c7a8693adff97ef/modules/ve-mw/ui/styles/dialogs/ve.ui.MWGalleryDialog.css|modules/ve-mw/ui/styles/dialogs/ve.ui.MWGalleryDialog.css]] (1 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/VisualEditor/+/787bc0db172a6a0434dfee162c7a8693adff97ef/modules/ve-mw/ui/styles/dialogs/ve.ui.MWTransclusionDialog.css|modules/ve-mw/ui/styles/dialogs/ve.ui.MWTransclusionDialog.css]] (1 matches)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/VisualEditor/+/787bc0db172a6a0434dfee162c7a8693adff97ef/modules/ve-mw/ui/styles/widgets/ve.ui.MWMediaInfoFieldWidget.css|modules/ve-mw/ui/styles/widgets/ve.ui.MWMediaInfoFieldWidget.css]] (1 matches)
[ ] mediawiki/extensions/Wikibase (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/Wikibase/+/ef3ef9e49ff3b602f5256b6a4b90b62a4301ab06/view/resources/wikibase/utilities/wikibase.utilities.ui.css|view/resources/wikibase/utilities/wikibase.utilities.ui.css]] (4 matches)
[ ] mediawiki/extensions/WikibaseMediaInfo (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/WikibaseMediaInfo/+/b270cada31165e66651d32d11214b79a74253bb0/resources/mediainfo-variables.less|resources/mediainfo-variables.less]] (2 matches)
[ ] mediawiki/extensions/WikidataPageBanner (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/WikidataPageBanner/+/9c72b850b24b7221572c4a4d542e6de6017b6b33/resources/ext.WikidataPageBanner.styles/ext.WikidataPageBanner.less|resources/ext.WikidataPageBanner.styles/ext.WikidataPageBanner.less]] (1 matches)
[ ] mediawiki/extensions/wikihiero (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/extensions/wikihiero/+/9a887576f1d900fc39174763d2b2614ac39dfc1f/modules/ext.wikihiero/content.css|modules/ext.wikihiero/content.css]] (1 matches)
[ ] mediawiki/services/mobileapps (1 files)
** [[https://gerrit.wikimedia.org/g/mediawiki/services/mobileapps/+/972f3bc03d00fdce77080014e7c19c472f5069df/private/styles/mediawiki/mixins.less|private/styles/mediawiki/mixins.less]] (3 matches)
```