Re: [csswg-drafts] [css-sizing-4] Should we mention aspect-ratio in margin collapsing? (#5328)

• From: Ian Kilpatrick via GitHub <sysbot+gh@w3.org>
• Date: Mon, 20 Jul 2020 17:46:34 +0000
• To: public-css-archive@w3.org
• Message-ID: <issue_comment.created-661236557-1595267193-sysbot+gh@w3.org>

There is one case where it should be considered empty is if you have something like:
```
#parent {
  margin: 0px;
  width: 100px;
}
#child {
  margin-top: 50px;
  margin-bottom: 200px;
  width: 0px; /* FUN */
  aspect-ratio: 1/1;
}
<div id='parent'>
  <div id='child'></div>
</div>
```

I.e. the "top" margin will be `200px`. This is the same if `#child` had an explicit height of `0px`.

-- 
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Received on Monday, 20 July 2020 17:46:35 UTC