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 100x50
        RenderBlock {DIV} at (0,0) size 100x50 [bgcolor=#0000FF]
        RenderText {#text} at (0,0) size 0x0
        RenderBlock (floating) {DIV} at (0,50) size 50x50 [bgcolor=#FF0000]
          RenderBlock {DIV} at (0,0) size 50x50 [bgcolor=#008000]
        RenderText {#text} at (0,0) size 0x0
        RenderBR {BR} at (0,0) size 0x0
        RenderImage {IMG} at (50,50) size 0x0
        RenderText {#text} at (0,0) size 0x0