layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x48
  LayoutBlockFlow {HTML} at (0,0) size 800x48
    LayoutBlockFlow {BODY} at (8,8) size 784x20
      LayoutBlockFlow {DIV} at (0,0) size 784x20
        LayoutBlockFlow {DIV} at (0,0) size 784x20
          LayoutBlockFlow (floating) {P} at (392,0) size 392x40
            LayoutImage {IMG} at (0,0) size 15x15 [color=#FF0000]
            LayoutText {#text} at (15,0) size 346x39
              text run at (15,0) width 4: " "
              text run at (19,0) width 327: "\x{21E6} There should be a green square at the top left of the"
              text run at (0,20) width 51: "window."
          LayoutImage {IMG} at (0,0) size 15x15 [color=#FF0000]
          LayoutText {#text} at (0,0) size 0x0