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.
-moz-windows-themeRequires Gecko 2.0(Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)
-moz-windows-theme feature is specified as a keyword value that Indicates which Windows theme is currently being used.
Accepts min/max prefixes: no