This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The :-moz-suppressed CSS pseudo-class is a Mozilla extension that matches elements representing images that were suppressed because loading images from the specified site has been blocked.

Note: This selector is mainly intended to be used by theme developers.




:-moz-suppressed {
  background: yellow;
  padding: 8px;

See also