<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>

<filter id="gauss" filterRes="10 10">
    <feGaussianBlur stdDeviation="0"/>
</filter>

</defs>

<g filter="url(#gauss)"  transform="translate(50, 50)">
    <rect x="10" y="10" width="75" height="75" fill="green"/>
    <rect x="50" y="50" width="75" height="75" fill="blue"/>
</g>

</svg>