<!DOCTYPE HTML>
<title>Details pseudo-elements</title>
<!-- This test is (at time of writing) _EXTREMELY_ tentative. -->
<link rel="match" href="details-pseudo-elements-001-ref.html">
<link rel="help" href="https://github.com/whatwg/html/pull/10265">
<link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#details-content-pseudo">
<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>