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+0 112 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 96 0+0+8] children: inline
      frag 0 from BlockContainer start: 0, length: 0, rect: [48,48 54.109375x16] baseline: 52.796875
      BlockContainer <div> at [48,48] inline-block [0+0+40 54.109375 40+0+0] [0+0+40 16 40+0+0] [BFC] children: inline
        frag 0 from TextNode start: 0, length: 6, rect: [48,48 54.109375x16] baseline: 12.796875
            "New UI"
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x112]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x96]
      PaintableWithLines (BlockContainer<DIV>) [8,8 134.109375x96]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x112] (z-index: auto)
