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 26 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 10 0+0+8] children: not-inline
      Box <div.grid> at [8,8] [0+0+0 10 0+0+774] [0+0+0 10 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.item> at [8,8] [0+0+0 80 0+0+0] [0+0+0 40 0+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 10, rect: [8,8 115.625x16] baseline: 12.796875
              "XXXXXXXXXX"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.marker> at [88,8] [0+0+0 1 0+0+0] [0+0+0 1 0+0+0] [BFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,18] [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 800x26]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x10]
      Paintable (Box<DIV>.grid) [8,8 10x10]
        PaintableWithLines (BlockContainer<DIV>.item) [8,8 80x40]
        PaintableWithLines (BlockContainer<DIV>.marker) [88,8 1x1]
      PaintableWithLines (BlockContainer(anonymous)) [8,18 784x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x26] (z-index: auto)
