When #66048 lands, I plan to isolate all our examples in a shadow DOM, where we don't have access to custom props defined in parents.

Like I already suggested in #66050, we should probably use a combination of css custom props + a fallback value.

Deployed adev-preview for 575f975 to: https://ng-dev-previews-fw--pr-angular-angular-66245-adev-prev-6aj3bdt8.web.app

Note: As new commits are pushed to this pull request, this link is updated after the preview is rebuilt.

This PR was merged into the repository. The changes were merged into the following branches:

• main: 090484c
• 21.0.x: c3adc5a

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