<!DOCTYPE html>
<html>
<head>
<style>
    body svg {
        position: absolute;
        width: 0;
        height: 0;
    }

    .box {
        height: 200px;
        width: 200px;
        background-color: green;
        filter: url(#filter1);
    }
</style>
</head>
<body>
    <svg version='1.1' xmlns='http://www.w3.org/2000/svg'>
      <defs>
        <filter id='filter1'>
          <feturbulence basefrequency='0.005 0.005' id='frequency1' numoctaves='1' result='noise' seed='1' type='fractalNoise'></feturbulence>
          <fedisplacementmap id='displacement1' in2='fractalNoise' in='SourceGraphic' scale='0'></fedisplacementmap> <!-- in2 is invalid -->
        </filter>
      </defs>
    </svg>
    <div class='box'></div>
</body>
</html>