<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Masking: mask on inline element</title>
    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <style type="text/css">
      div {
        width: 100px;
        height: 100px;
        font-size: 100px;
        line-height: 100px;
      }

      div.mask-by-png {
        mask-image: url(support/transparent-100x50-blue-100x50.png);
      }
    </style>
  </head>
  <body>
    <div class="mask-by-png">A</div>
    <div class="mask-by-png">B</div>
  </body>
</html>
