<!DOCTYPE html>
<html>
<head>
  <link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#text-shadow-property">
  <link rel="match" href="dynamic-blur-ref.html">
</head>
<body onload="document.documentElement.style.textShadow = '0.6em 0.6em 0.1em green';">I have a green shadow</body>
</html>

