Show transparency of in-page images on hover

Added by myf@userstyles, Created: Jan 06, 2008, Updated: Jan 23, 2009
  • With the style applied
  • With the style applied (Generated screenshot)
  • Without the style applied (Generated screenshot)


Replaces images background by a white-grey grid while hovered, so you can see whether/how transparent it is.

Complicated selector is because of compatibility with the, which this one initially came from (you can merge them again and prevent some duplicity of code).

Notes: obviously, does not work with "images" placed as background-images.

Change log:
2008-01-09 : added inverted dotted outline for hovered images: this will reveal whether the image is placed as real "IMG" or not.
2009-01-23 : only -> first

- "invert" IS a valid value of "outline-color" property -- so ignore installation warning. See
- If you want to be sure that the hovered image is not "unnaturally" resized:

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Applies to:
http://, https://

Related styles:

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