CSS - :-moz-handler-blocked
Description
:-moz-handler-blocked
matches elements that cannot be displayed because their handlers have been blocked.
This is primarily useful for theme developers.
See Also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/css/:-moz-handler-blocked