layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x53
  LayoutNGBlockFlow {HTML} at (0,0) size 800x53
    LayoutNGBlockFlow {BODY} at (8,8) size 784x37
      LayoutNGBlockFlow {DIV} at (0,0) size 784x19 [bgcolor=#008000] [border: none (1px solid #000000) none]
        LayoutInline {SPAN} at (0,0) size 1x18
      LayoutNGBlockFlow {DIV} at (0,19) size 784x18
        LayoutText {#text} at (0,0) size 291x18
          text run at (0,0) width 291: "There should be a green block above this text"