Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 22 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 22 0+0+0] children: not-inline
      BlockContainer <(anonymous)> at [0,0] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
        TextNode <#text> (not painted)
      BlockContainer <div#tall> at [0,0] [0+0+0 800 0+0+0] [0+0+0 22 0+0+0] children: inline
        frag 0 from TextNode start: 0, length: 12, rect: [0,0 97.515625x22] baseline: 17.203125
            "Tall metrics"
        TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [0,22] [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>) [0,0 800x22]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x22]
      PaintableWithLines (BlockContainer(anonymous)) [0,0 800x0]
      PaintableWithLines (BlockContainer<DIV>#tall) [0,0 800x22]
      PaintableWithLines (BlockContainer(anonymous)) [0,22 800x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x22] (z-index: auto)
