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 510x19
          text run at (2,2) width 285: "Here is some text in a horizontal-bt block flow. "
          text run at (286,2) width 226: "The block direction is bottom-to-top."
        LayoutBR {BR} at (511,6) size 1x0
        LayoutText {#text} at (2,22) size 205x19
          text run at (2,22) width 205: "This line should also be horizontal."