Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x33 [BFC] children: inline
    frag 0 from Box start: 0, length: 0, rect: [8,8 26.953125x17] baseline: 21.296875
    Box <body> at (8,8) content-size 26.953125x17 [GFC] children: not-inline
      BlockContainer <(anonymous)> at (8,8) content-size 26.953125x17 [BFC] children: inline
        frag 0 from TextNode start: 0, length: 3, rect: [8,8 26.953125x17] baseline: 13.296875
            "whf"
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x33]
    PaintableBox (Box<BODY>) [8,8 26.953125x17]
      PaintableWithLines (BlockContainer(anonymous)) [8,8 26.953125x17]
        TextPaintable (TextNode<#text>)
