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  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x72
  LayoutBlockFlow {HTML} at (0,0) size 800x72
    LayoutBlockFlow {BODY} at (8,16) size 784x40
      LayoutBlockFlow {P} at (0,0) size 784x40
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          text run at (0,0) width 753: "Below there should be a green square. In the middle of such green square, a black horizontal stripe should be traversing it and"
          text run at (0,20) width 434: "protruding out of it toward the right. There should be no red in this page."
layer at (8,72) size 128x128
  LayoutBlockFlow (positioned) {DIV} at (8,72) size 128x128 [bgcolor=#FF0000]
    LayoutBlockFlow (floating) {DIV} at (0,0) size 128x128 [bgcolor=#008000]
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        text run at (0,48) width 256: "XXXXXXXX"