layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x152
  RenderBlock {HTML} at (0,0) size 800x152
    RenderBody {BODY} at (8,16) size 784x120 [color=#008000]
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 194x17
          text run at (0,0) width 194: "This sentence should be green."
      RenderBlock {P} at (0,34) size 784x18 [color=#FFFFFF] [bgcolor=#008000]
        RenderText {#text} at (0,0) size 90x17
          text run at (0,0) width 90: "This sentence "
        RenderInline {SPAN} at (0,0) size 61x17
          RenderText {#text} at (90,0) size 61x17
            text run at (90,0) width 61: "should be"
        RenderText {#text} at (151,0) size 102x17
          text run at (151,0) width 102: " white on green."
      RenderBlock {P} at (0,68) size 784x18 [color=#FFFFFF]
        RenderInline {EM} at (0,0) size 34x17 [color=#008000]
          RenderText {#text} at (0,0) size 34x17
            text run at (0,0) width 34: "PASS"
        RenderText {#text} at (33,0) size 5x17
          text run at (33,0) width 5: " "
        RenderInline {STRONG} at (0,0) size 39x17
          RenderText {#text} at (37,0) size 39x17
            text run at (37,0) width 39: "FAIL"
        RenderText {#text} at (0,0) size 0x0
      RenderBlock {P} at (0,102) size 784x18
        RenderText {#text} at (0,0) size 42x17
          text run at (0,0) width 42: "PASS "
        RenderInline {DFN} at (0,0) size 33x17 [color=#FFFFFF]
          RenderText {#text} at (41,0) size 33x17
            text run at (41,0) width 33: "FAIL"
        RenderText {#text} at (0,0) size 0x0