layer at (0,0) size 800x600
  RenderView 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
      RenderBlock {DIV} at (0,0) size 784x125
        RenderBlock {DIV} at (50,50) size 25x25 [bgcolor=#7F7F7F]
      RenderBlock {DIV} at (0,125) size 784x125
layer at (58,183) size 25x25
  RenderBlock {DIV} at (50,50) size 25x25 [bgcolor=#7F7F7F]