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.


Requires Gecko 2.0(Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)

The -moz-windows-theme Gecko-only CSS @media media feature is useful for customizing application skins and other chrome code to work well with the user's Windows theme.


The -moz-windows-theme feature is specified as a keyword value that Indicates which Windows theme is currently being used.


  • aero
  • luna-blue
  • luna-olive
  • luna-silver
  • royale
  • generic
  • zune

Media: media/visual
Accepts min/max prefixes: no

Document Tags and Contributors

 Contributors to this page: mfluehr
 Last updated by: mfluehr,