layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x264
  RenderBlock {HTML} at (0,0) size 800x264
    RenderBody {BODY} at (8,8) size 784x216
      RenderBlock (anonymous) at (0,0) size 784x20
        RenderInline {DIV} at (0,0) size 528x17 [color=#FFFFFF] [bgcolor=#FF0000]
          RenderText {#text} at (0,2) size 528x17
            text run at (0,2) width 528: "Ahem_font_required_for_this_test."
        RenderText {#text} at (0,0) size 0x0
      RenderBlock {P} at (0,36) size 784x20
        RenderText {#text} at (0,0) size 288x19
          text run at (0,0) width 288: "There should be a big square green H below:"
      RenderBlock {DIV} at (40,96) size 120x120 [bgcolor=#008000]
        RenderBlock {DIV} at (40,0) size 40x40 [color=#FFFFFF]
          RenderText {#text} at (0,0) size 40x40
            text run at (0,0) width 40: "X"
        RenderBlock {DIV} at (40,80) size 40x40 [color=#FFFFFF]
          RenderText {#text} at (0,0) size 40x40
            text run at (0,0) width 40: "X"
