layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x204
  RenderBlock {HTML} at (0,0) size 800x204
    RenderBody {BODY} at (8,16) size 784x180
      RenderBlock {P} at (0,0) size 784x36
        RenderText {#text} at (0,0) size 763x35
          text run at (0,0) width 763: "Below there should be a green square. In the middle of such green square, a black horizontal stripe should be traversing it"
          text run at (0,18) width 484: "and protruding out of it toward the right. There should be no red in this page."
      RenderBlock (anonymous) at (0,52) size 784x128
        RenderBlock {DIV} at (0,0) size 128x128 [bgcolor=#FF0000]
          RenderBlock {SPAN} at (0,0) size 128x128 [bgcolor=#008000]
            RenderText {#text} at (0,48) size 256x32
              text run at (0,48) width 256: "XXXXXXXX"
        RenderText {#text} at (0,0) size 0x0