chromium/third_party/blink/web_tests/external/wpt/css/css-contain/contain-size-fieldset-004.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>CSS Test: 'contain: size' on fieldset elements shouldn't prevent them from being baseline-aligned regularly.</title>
  <link rel="author" title="Morgan Rae Reschenberg" href="mailto:[email protected]">
  <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
  <link rel="match" href="contain-size-fieldset-004-ref.html">
  <style>
  .contain {
    contain: size;
    border: none;
    color: transparent;
    visibility: hidden;
  }
  .innerContents {
    height: 50px;
    width: 50px;
  }
  .flexBaselineCheck {
    display: flex;
    align-items: baseline;
  }
  </style>
</head>
<body>
  <!--CSS Test: A size-contained fieldset element should perform baseline alignment regularly.-->
  <div class="flexBaselineCheck">
  outside before<fieldset class="contain">
    <legend>legend</legend>
    <div class="innerContents">inner</div>
  </fieldset>outside after
  </div>
</body>
</html>