Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x116 [BFC] children: not-inline
    Box <body> at (8,8) content-size 784x100 [GFC] children: not-inline
      Box <section> at (8,8) content-size 784x100 [GFC] children: not-inline
        BlockContainer <div#one> at (8,8) content-size 784x0 [BFC] children: not-inline
        BlockContainer <div#two> at (8,8) content-size 784x100 [BFC] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x116]
    PaintableBox (Box<BODY>) [8,8 784x100]
      PaintableBox (Box<SECTION>) [8,8 784x100]
        PaintableWithLines (BlockContainer<DIV>#one) [8,8 784x0]
        PaintableWithLines (BlockContainer<DIV>#two) [8,8 784x100]
