display-contents-dynamic-generated-content-fieldset-001.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Test: Dynamic changes to display: contents generated content in fieldsets.</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-display-3/#valdef-display-contents">
<link rel="match" href="display-contents-dynamic-generated-content-fieldset-001-ref.html">
<style>
.after::after {
  content: "FAIL";
  color: red;
}
div {
  display: contents;
  border: 10px solid red;
}
</style>
<p>
  Test passes if there is no red text and no red border.
</p>
<fieldset>
  <div class="after"></div>
</fieldset>
<script>
document.body.offsetHeight;
document.querySelector("div").classList.remove("after");
</script>

chromium/third_party/blink/web_tests/external/wpt/css/css-display/display-contents-dynamic-generated-content-fieldset-001.html