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 50 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 34 0+0+8] children: not-inline
      Box <div.grid-container> at [8,8] [0+0+0 784 0+0+0] [0+0+0 34 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [18,18] [0+0+10 80 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [55.21875,18 5.546875x14] baseline: 11.203125
              "1"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [128,18] [0+0+10 80 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [164.140625,18 7.71875x14] baseline: 11.203125
              "2"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [238,18] [0+0+10 30 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [249.015625,18 7.953125x14] baseline: 11.203125
              "3"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [298,18] [0+0+10 30 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [309.609375,18 6.78125x14] baseline: 11.203125
              "4"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [358,18] [0+0+10 30 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [369.296875,18 7.390625x14] baseline: 11.203125
              "5"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [418,18] [0+0+10 30 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [429.171875,18 7.640625x14] baseline: 11.203125
              "6"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [478,18] [0+0+10 30 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [489.1875,18 7.625x14] baseline: 11.203125
              "7"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.grid-item> at [538,18] [0+0+10 30 10+0+0] [0+0+10 14 10+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [548.84375,18 8.296875x14] baseline: 11.203125
              "8"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,42] [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 800x50]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x34]
      Paintable (Box<DIV>.grid-container) [8,8 784x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [8,8 100x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [118,8 100x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [228,8 50x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [288,8 50x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [348,8 50x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [408,8 50x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [468,8 50x34]
        PaintableWithLines (BlockContainer<DIV>.grid-item) [528,8 50x34]
      PaintableWithLines (BlockContainer(anonymous)) [8,42 784x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x50] (z-index: auto)
