layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 316x600
  RenderBlock {HTML} at (0,0) size 316x600
    RenderBody {BODY} at (8,8) size 300x584
      RenderBlock {DIV} at (0,0) size 100x584 [bgcolor=#008000]
      RenderBlock {DIV} at (200,0) size 0x100
      RenderBlock {DIV} at (200,0) size 100x584 [bgcolor=#008000]