pt for antialiasing issues.</p>
<div style="position: relative; font-size: 2em;">
<div style="position: relative; z-index: 1; color: red; padding: 1px;">

    <span>
      a
      <span style="display: table-cell">b</span>
      <span style="display: table-cell">c</span>
      d
    </span>
  </div>
<div style="position: absolute; z-index: 2; top: 0; color: green; padding: 1px;">

    a bc d
  </div>
</div>
</body>
</html>
