chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/first-letter-001.html

<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>CSS Test: ::first-letter formatting</title>
  <link rel="author" title="Florian Rivoal" href="mailto:[email protected]">
  <link rel="match" href="first-letter-001-ref.html">
  <link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#first-letter-styling">
  <meta name="assert" content="Test checks that a floated ::first-letter follows the usual formating rules for floats.">
  <style>
  div {
    font-size: 50px;
    position: absolute;
    left: 30px;
    top: 50px;
    background: red;
  }
  span {
    background : white;
  }
  div::first-letter {
    color: green;
    background: green;
    float: left;
  }
  </style>
</head>
<body>
  <p>Test passes if there is a <strong>filled green rectangle</strong> and <strong>no red</strong>.</p>
  <div>a<span>&nbsp;</span></div>
</body>
</html>