Re: [csswg-drafts] [css-shadow-parts] Make `::slotted()` a combinator (#7922)

This is probably out of scope for this `::slotted()` discussion but I'll give this issue some visibility also just in case.  Keyframe animations defined in the parent shadow roots aren't available for `::slotted()` children.

This `animatein` keyframe won't work.
```
:host([animate]) ::slotted(*) {
   animation-name: animateIn;
}

@keyframes animateIn {
  0% {
    opacity: 0;
    transform: translate(0, -100%);
  }

  100% {
    opacity: 1;
  }
}
```

https://github.com/Polymer/polymer/issues/4688

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Received on Friday, 4 November 2022 13:21:24 UTC