chromium/third_party/blink/web_tests/external/wpt/contenteditable/synthetic-height.html

<!doctype html>
<title>contenteditable causes blocks to have a synthesized height</title>
<link rel="author" href="mailto:[email protected]" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1098151">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1634543">
<link rel="help" href="https://github.com/w3c/editing/issues/70">
<link rel="match" href="synthetic-height-ref.html">
<style>
  div { background: green; border: 1px solid; }
  .pseudo::before {
    content: "";
  }
  .abspos-pseudo::before {
    position: absolute;
  }
</style>
<div contenteditable></div>
<div contenteditable><span style="position: absolute"></span></div>
<div contenteditable class="pseudo"></div>
<div contenteditable class="pseudo abspos-pseudo"></div>