layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderText {TEXT} at (0,0) size 16x18
        text run at (0,0) width 16: "A "
      RenderText {TEXT} at (16,0) size 11x18
        text run at (16,0) width 11: "C"
