<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
svg rect{
stroke: red;
fill: green;
}
</style>
</head>
<body>
<svg width="120" height="120" xmlns="http://www.w3.org/2000/svg">
<filter id="point" x="-40" y="-20" width="100" height="200">
<feOffset in="SourceGraphic" dx="60" dy="60" />
<feGaussianBlur in="SourceGraphic" stdDeviation="5" result="blur2" />
<feMerge>
<feMergeNode in="blur2" />
<feMergeNode in="SourceGraphic" />
</feMerge>
</filter>
<rect x="5" y="5" width="100" height="100" filter="url(#point)" />
</svg>
</body>
</html>