Enables support for CSS Cascade Layers. See the <a data-l10n-name="spec">in-progress specification</a> for details. File bugs blocking <a data-l10n-name="bugzilla">bug 1699215</a> for bugs related to this feature.
Activa supporto pro CSS Cascade Layers. Consultar le <a data-l10n-name="spec">specificas (in laboration)</a> pro detalios. Pro problemas causate per questa function, aperir un bug blocante le <a data-l10n-name="bugzilla">bug 1699215</a>.