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.
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.