contain-layout-button-002.tentative.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
<link rel="help" href="https://github.com/web-platform-tests/wpt/issues/45889">
<link rel="match" href="reference/contain-layout-button-002-ref.html">
<meta name=assert content="An empty button and a button with layout containment should align the same.">
<style>
button {
  border: 5px solid green;
  padding: 10px;
  margin-bottom: 2px;
  color: transparent;
  width: 20px;
  height: 20px;
}
</style>

<p>This test passes if it has the same output as the reference.</p>
<button></button> <button style="contain:layout"></button>

chromium/third_party/blink/web_tests/external/wpt/css/css-contain/contain-layout-button-002.tentative.html