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 784x100
        RenderBlock {DIV} at (0,0) size 100x100
        RenderBR {BR} at (100,100) size 0x0
      RenderBlock (anonymous) at (0,100) size 784x18
        RenderText {#text} at (0,0) size 4x17
          text run at (0,0) width 4: " "
        RenderText {#text} at (0,0) size 0x0