:-moz-lwtheme-darktext

No estándar
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.

Resumen

La pseudo-clase :-moz-lwtheme-darktext es seleccionada en los documentos chrome cuando  :-moz-lwtheme es verdadero (true) y se ha seleccionado un tema ligero con un color de texto oscuro.

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