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 784x584
      LayoutBlockFlow (floating) {DIV} at (0,0) size 281x26 [border: (3px solid #0000FF)]
        LayoutText {#text} at (3,3) size 275x19
          text run at (3,3) width 275: "The number of lines in this box should be one."