public override void Build(SpaceDrawing e)
        {
            var cur = new InternalStyle();

            cur.AddChild(e.OuterElementStyle);
            e.OuterElementStyle = cur;

            var em = e.OuterElementStyle;
            em.Padding = string.Format("{0} {0} {0} {0}", ( Radius ).px());
            em.BackgroundColor = Color;
            em.Border = "solid 2px black";
            /// Window.Alert("good1");

            em.Left = ( em.Left.nopx() - Radius ).px();
            em.Top = ( em.Top.nopx() - Radius ).px();

            em.BorderRadius = 15.0.px();
            em.BoxShadow = "4px 4px 2px #333";
        }