chromium/third_party/blink/web_tests/wpt_internal/html/rendering/the-details-element/details-pseudo-elements-disabled-001.tentative.html

<!DOCTYPE HTML>
<title>Details pseudo-elements are disabled</title>
<link rel="match" href="details-pseudo-elements-disabled-001-ref.html">
<link rel="help" href="https://github.com/dbaron/details-styling">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1469418">
<style>

details::details-content {
  background: aqua;
  display: block; /* override display: contents for slot */
}

</style>

<details open>
  <summary>The summary</summary>
  <div>The details!</div>
</details>