非标
此特征是非标准的，且不在标准轨道中。不要在面向 Web 的生产站点中使用它：它不适用于每个用户。实现之间可能存在大的不兼容性，且行为将来可能改变。
注意 : Since Firefox 58 , this media feature is no longer available to web content — it is only available internally (e.g. to XUL / chrome code). See bug 1396066 了解更多细节。
-moz-mac-graphite-theme
Gecko-only
CSS
media feature
can be used to apply styles based on whether the user has the Mac OS X "Graphite" theme enabled.
<integer>
If the user has configured their device to use the "Graphite" appearance on Mac OS X, this is 1. If the user is using the standard blue appearance, or is not on Mac OS X, this is 0.
Media:
media/visual
Accepts min/max prefixes:
no
:-moz-system-metric(mac-graphite-theme)
CSS
pseudo-class
.