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 82 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 66 0+0+8] children: not-inline
      BlockContainer <div.string> at [9,9] [0+1+0 100 0+1+682] [0+1+0 20 0+1+0] children: inline
        InlineNode <(anonymous)> at [9,9] [0+0+0 41.53125 0+0+0] [0+0+0 18 0+0+0]
          frag 0 from TextNode start: 0, length: 4, rect: [9,9 41.53125x18] baseline: 13.796875
              "WHF!"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,30] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      BlockContainer <div.string-no-fallback> at [9,31] [0+1+0 100 0+1+682] [0+1+0 20 0+1+0] children: not-inline
      BlockContainer <(anonymous)> at [8,52] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      BlockContainer <div.px> at [9,53] [0+1+0 200 0+1+582] [0+1+0 20 0+1+0] children: not-inline
      BlockContainer <(anonymous)> at [8,74] [0+0+0 784 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 800x82]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x66]
      PaintableWithLines (BlockContainer<DIV>.string) [8,8 102x22]
        PaintableWithLines (InlineNode(anonymous)) [9,9 41.53125x18]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,30 784x0]
      PaintableWithLines (BlockContainer<DIV>.string-no-fallback) [8,30 102x22]
      PaintableWithLines (BlockContainer(anonymous)) [8,52 784x0]
      PaintableWithLines (BlockContainer<DIV>.px) [8,52 202x22]
      PaintableWithLines (BlockContainer(anonymous)) [8,74 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x82] [children: 0] (z-index: auto)
