Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html.js> at [0,0] [0+0+0 800 0+0+0] [0+0+0 200 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 50 0+0+0] children: not-inline
      BlockContainer <div#page> at [50,50] [0+0+50 750 0+0+0] [0+0+50 0 0+0+0] children: not-inline
        BlockContainer <div#content_box> at [50,50] floating [0+0+0 400 0+0+0] [0+0+0 150 0+0+0] [BFC] children: inline
          BlockContainer <article.first> at [50,50] floating [0+0+0 300 0+0+0] [0+0+0 100 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 5, rect: [50,50 36.03125x18] baseline: 13.796875
                "first"
            TextNode <#text> (not painted)
          BlockContainer <article.second> at [50,150] floating [0+0+0 200 0+0+0] [0+0+0 50 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 6, rect: [50,150 54.78125x18] baseline: 13.796875
                "second"
            TextNode <#text> (not painted)
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [0,50] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>.js) [0,0 800x200]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x50] overflow: [0,0 800x200]
      PaintableWithLines (BlockContainer<DIV>#page) [0,0 800x50] overflow: [0,0 800x200]
        PaintableWithLines (BlockContainer<DIV>#content_box) [50,50 400x150]
          PaintableWithLines (BlockContainer<ARTICLE>.first) [50,50 300x100]
            TextPaintable (TextNode<#text>)
          PaintableWithLines (BlockContainer<ARTICLE>.second) [50,150 200x50]
            TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [0,50 800x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML>.js [0,0 800x200] [children: 0] (z-index: auto)
