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 784x576
      RenderBlock (anonymous) at (0,0) size 784x19
        RenderText {#text} at (0,0) size 565x19
          text run at (0,0) width 565: "In this sample, the H3s should be nested. This matches Firefox, IE, and the HTML5 spec."
      RenderBlock {H3} at (0,35) size 784x280 [border: (2px solid #FF0000)]
        RenderBlock (anonymous) at (4,4) size 776x23
          RenderInline {I} at (0,0) size 31x22
            RenderText {#text} at (0,0) size 31x22
              text run at (0,0) width 31: "One"
        RenderBlock (anonymous) at (4,46) size 776x211
          RenderBlock {H3} at (0,0) size 776x211 [border: (2px solid #FF0000)]
            RenderBlock (anonymous) at (4,4) size 768x26
              RenderInline {I} at (0,0) size 39x26
                RenderText {#text} at (0,0) size 39x26
                  text run at (0,0) width 39: "Two"
            RenderBlock (anonymous) at (4,52) size 768x133
              RenderBlock {H3} at (0,0) size 768x133 [border: (2px solid #FF0000)]
                RenderBlock (anonymous) at (4,4) size 760x30
                  RenderInline {I} at (0,0) size 59x30
                    RenderText {#text} at (0,0) size 59x30
                      text run at (0,0) width 59: "Three"
                RenderBlock (anonymous) at (4,60) size 760x43
                  RenderBlock {H3} at (0,0) size 760x43 [border: (2px solid #FF0000)]
                    RenderInline {I} at (0,0) size 58x36
                      RenderText {#text} at (4,4) size 58x36
                        text run at (4,4) width 58: "Four"
                RenderBlock (anonymous) at (4,129) size 760x0
                  RenderInline {I} at (0,0) size 0x0
            RenderBlock (anonymous) at (4,207) size 768x0
              RenderInline {I} at (0,0) size 0x0
        RenderBlock (anonymous) at (4,276) size 776x0
          RenderInline {I} at (0,0) size 0x0
