Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x216 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x200 children: not-inline
      BlockContainer <div.a> at (8,8) content-size 500x200 children: inline
        TextNode <#text>
        BlockContainer <div.b> at (8,8) content-size 200x150 floating [BFC] children: not-inline
        TextNode <#text>
        BlockContainer <div.c> at (308,8) content-size 200x100 floating [BFC] children: not-inline
        TextNode <#text>
        BlockContainer <div.d> at (308,108) content-size 200x100 floating [BFC] children: not-inline
        TextNode <#text>
      BlockContainer <(anonymous)> at (8,208) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x216]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x200]
      PaintableWithLines (BlockContainer<DIV>.a) [8,8 500x200]
        PaintableWithLines (BlockContainer<DIV>.b) [8,8 200x150]
        PaintableWithLines (BlockContainer<DIV>.c) [308,8 200x100]
        PaintableWithLines (BlockContainer<DIV>.d) [308,108 200x100]
      PaintableWithLines (BlockContainer(anonymous)) [8,208 784x0]
