gecko-dev/layout/reftests/details-summary/open-details-first-line-2.html

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541 B
HTML

<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<html>
<style>
summary {
display: inline; /* ::first-line appiles only to inline element. */
}
details::first-line {
color: blue;
}
</style>
<body>
<details open>
<span>This is the details.</span>
<summary>Summary
<!-- Need ib-split so that the summary has multiple frames. -->
<div>Block in summary</div>
</summary>
</details>
</body>
</html>