Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x60 [BFC] children: not-inline
    BlockContainer <(anonymous)> at (0,0) content-size 800x0 children: inline
      TextNode <#text>
    BlockContainer <body> at (8,8) content-size 784x0 children: inline
      TextNode <#text>
      BlockContainer <div#b> at (9,9) content-size 50x50 floating [BFC] children: not-inline
      TextNode <#text>
      BlockContainer <div#c> at (741,9) content-size 50x50 floating [BFC] children: not-inline
      TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x60]
    PaintableWithLines (BlockContainer(anonymous)) [0,0 800x0]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x0]
      PaintableWithLines (BlockContainer<DIV>#b) [8,8 52x52]
      PaintableWithLines (BlockContainer<DIV>#c) [740,8 52x52]
