1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x600
4 RenderSVGRoot {svg} at (0,100) size 800x100
5 RenderSVGRect {rect} at (0,100) size 800x100 [fill={[type=SOLID] [color=#0000FF]}] [x=0.00] [y=100.00] [width=800.00] [height=100.00]
6 [masker="dynMask"] RenderSVGResourceMasker {mask} at (0,0) size 800x300
7 RenderSVGContainer {g} at (0,0) size 0x0
8 RenderSVGResourceMasker {mask} [id="dynMask"] [maskUnits=userSpaceOnUse] [maskContentUnits=userSpaceOnUse]
9 RenderSVGRect {rect} at (0,0) size 800x300 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=800.00] [height=300.00]