chromium/third_party/blink/web_tests/wpt_internal/css/css-borders/subpixel-border-width-when-zoom-changes-ref.html

<!DOCTYPE html>
<html>
<head>
  <title>
    CSS Border: width computed value is re-computed when zoom changes.
  </title>

  <link rel="author" title="Traian Captan" href="mailto:[email protected]">

<style>
    body {
        margin: 16px;
    }

    .square {
      height: 200px;
      width: 200px;
      border: 3px solid gray;
    }
</style>
</head>

<body>
  <div class="square"></div>
</body>
</html>