public void Blur_WithFiftyPercent_CanAddFilter()
        {
            var originalSvg = "<svg width=\"100\" height=\"200\"><rect width=\"90\" height=\"90\" fill=\"green\" /></svg>";
            var svgElement  = XElement.Parse(originalSvg);
            var svg         = new Svg(svgElement);

            svg.ApplyEffect(new Blur(50));

            var result = svg.ToString();
        }