Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x166 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x150 children: not-inline
      BlockContainer <div.a> at (8,8) content-size 784x50 children: not-inline
      BlockContainer <(anonymous)> at (8,58) content-size 784x0 children: inline
        TextNode <#text>
        BlockContainer <div.b> at (742,58) content-size 50x50 floating [BFC] children: not-inline
        TextNode <#text>
        BlockContainer <div.c> at (8,108) content-size 0x0 floating [BFC] children: not-inline
        TextNode <#text>
      BlockContainer <div.d> at (8,108) content-size 784x50 children: not-inline
      BlockContainer <(anonymous)> at (8,158) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x166]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
      PaintableWithLines (BlockContainer<DIV>.a) [8,8 784x50]
      PaintableWithLines (BlockContainer(anonymous)) [8,58 784x0]
        PaintableWithLines (BlockContainer<DIV>.b) [742,58 50x50]
        PaintableWithLines (BlockContainer<DIV>.c) [8,108 0x0]
      PaintableWithLines (BlockContainer<DIV>.d) [8,108 784x50]
      PaintableWithLines (BlockContainer(anonymous)) [8,158 784x0]
