layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x600
  LayoutBlockFlow {HTML} at (0,0) size 800x600
    LayoutBlockFlow {BODY} at (8,8) size 784x504 [border: (2px solid #000000)]
      LayoutBlockFlow {DIV} at (2,18) size 780x204 [border: (2px solid #800000)]
        LayoutBlockFlow (floating) {DIV} at (678,2) size 100x100 [bgcolor=#00FF00]
        LayoutText {#text} at (2,2) size 543x17
          text run at (2,2) width 306: "Here is some text in a horizontal-bt block flow. "
          text run at (307,2) width 238: "The block direction is bottom-to-top."
        LayoutBR {BR} at (544,5) size 1x0
        LayoutText {#text} at (2,20) size 225x17
          text run at (2,20) width 225: "This line should also be horizontal."