layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x8
  RenderBlock {HTML} at (0,0) size 800x8
    RenderBody {BODY} at (8,8) size 784x0
      RenderText {TEXT} at (0,0) size 0x0
      RenderText {TEXT} at (0,0) size 0x0
layer at (10,10) size 160x170
  RenderBlock (positioned) {DIV} at (10,10) size 120x120 [bgcolor=#FF0000] [border: (10px solid #000000)]
    RenderBlock {DIV} at (10,10) size 150x150 [bgcolor=#008000]
layer at (200,10) size 120x120 clip at (210,20) size 100x100
  RenderBlock (positioned) {DIV} at (200,10) size 120x120 [bgcolor=#FF0000] [border: (10px solid #000000)]
    RenderBlock {DIV} at (10,10) size 150x150 [bgcolor=#008000]
