Implement CSS4 "revert" keyword.
revert CSS keyword reverts the cascaded value of the property from its current value to the value the property would have had if no changes had been made by the current style origin to the current element. Thus, it resets the property to its inherited value if it inherits from its parent or to the default value established by the user agent's stylesheet (or by user styles, if any exist). It can be applied to any CSS property, including the CSS shorthand property
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Bounty issue fully completed and paid. Bug Build Bustage Build System Code Cleanup Crash Critical Debug: Build
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Debug Runtime Issues dependencies
Pull requests that update a dependency file Devtools Documentation DOM Done
Like fixed but merely done Duplicate Editor
HTML editor and editable HTML elements Enhancement Everybody Wins!
For those really rare occasions where everyone agrees in the end. Extensions Fixed Good Enough Good first issue
Good issue for contributers new to the project. Hang High Priority High Risk Images
MailNews, Mork, and LDAP Media Memory Meta-issue More info needed Networking Not an Issue On Hold OS: Android OS: Linux OS: Linux (AltArch)
Linux on other architectures such as ARM and PPC OS: Mac OS X OS: Other OS: Solaris / Illumos OS: Windows Parser
Dealing with the XML/HTML parser Performance Places
Bookmarks/History/Library Plugins PR requested
Issue with code work but no PR. PR: Draft - DO NOT MERGE Printing Privacy Product Polish Question Redirected to Forum Regression Regression-window Wanted
Regression window or fix window wanted (either on mozilla-central with mozregression, or manual on our tree). Release Engineering Release Uplift Wanted Rendering Research Retarded
Do not use this label Security Services
Related to services provided for applications. SessionStore Stale Standards Compliance String Changes Sync The whole codebase
Affects many components Theme Theme Changes UI
User Interface Unconfirmed Verification Needed Verified Web Compatibility WebGL/3D
Related to WebGL(2) and 3D object rendering code. Widget Won't Fix Works for me
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