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<html><body><h2>SVG feGaussianBlur Filter</h2><svg height="100" width="100" xmlns="http://www.w3.org/2000/svg"> <defs> <filter id="f1" x="0" y="0" xmlns="http://www.w3.org/2000/svg"> <feGaussianBlur in="SourceGraphic" stdDeviation="15" /> </filter> </defs> <rect width="90" height="90" fill="yellow" filter="url(#f1)" /> Sorry, your browser does not support inline SVG. </svg></body></html>