layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x66
  RenderBlock {HTML} at (0,0) size 800x66
    RenderBody {BODY} at (8,24) size 784x18
      RenderBlock {P} at (-10,0) size 794x18 [color=#000080]
        RenderText {#text} at (0,0) size 294x18
          text run at (0,0) width 294: "  This page should have a horizontal scroll bar."
