Re: [csswg-drafts] [css-nesting-1] CSSOM for nested media query rules (#7850)

> [...] This includes in the OM. (That is, the `childRules` attribute actually starts with this nested style rule, containing all the directly-nested properties.)

> The `CSSMediaRule` object will have a single `CSSStyleRule` object in its `.childRules` attribute, containing the `grid-auto-flow` property.

I guess you mean `.cssRules` instead of `.childRules`.

Should this implicit nested style rule always exist when the condition rule is nested, even if it has no declaration? I mean, does `CSSMediaRule.cssRules[0]` have to be an empty nested style rule?

```css
#parent {
  @media {
    & { color: green }
  }
}
```

If not, what should happen with `CSSMediaRule.cssText += `color: red`? Should the previously exsting rule (`& { color: green }`) move to index `1`?

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Received on Monday, 6 February 2023 13:26:48 UTC