<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Blur filter (reference)</title>
</head>
<body>
  <p>Rectangles should be blurred.</p>
  <div style="background: green; filter: blur(5px); width: 200px; height: 200px;"></div>
  <div style="background: green; filter: blur(5px); width: 200px; height: 200px; position: absolute; top: 300px"></div>
  </div>
</body>
</html>
