chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/first-letter-opacity-001-not-ref.html

<!DOCTYPE html>
<html>
<head>
<title>Reference mismatch: ::first-letter supports opacity.</title>
<link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1639664">
</head>
<body>
  <p>First</p>
</body>
</html>