<!DOCTYPE html>
<html>
<body>
<p><strong>Note:</strong> Internet Explorer 9 and earlier versions do not support SVG filters.</p>
<svg height="120" width="120">
<defs>
<filter id="filter" x="0" y="0">
<feGaussianBlur stdDeviation="5" />
<feOffset dx="5" dy="5" />
</filter>
</defs>
<rect width="90" height="90" fill="grey" filter="url(#filter)" />
<rect width="90" height="90" fill="yellow" stroke="black" />
Sorry, your browser does not support inline SVG.
</svg>
</body>
</html>