<!DOCTYPE html>
<html lang="en-US">
<body>
<svg xmlns="http://www.w3.org/2000/svg" width="110" height="110">
<defs>
<filter id="point" filterUnits="userSpaceOnUse">
<feFlood x="5" y="5" width="100" height="100"
flood-color="green" flood-opacity="0.5"/>
</filter>
</defs>
<use filter="url(#point)"/>
</svg>
</body>
</html>