Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 216 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 200 0+0+8] children: not-inline
      Box <div.grid-container> at [8,8] [0+0+0 784 0+0+0] [0+0+0 200 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        Box <div.grid-item> at [8,8] flex-container(row) [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <(anonymous)> at [54.828125,49] flex-item [0+0+0 6.34375 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [54.828125,49 6.34375x18] baseline: 13.796875
                "1"
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        Box <div.grid-item> at [108,8] flex-container(row) [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <(anonymous)> at [153.59375,49] flex-item [0+0+0 8.8125 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [153.59375,49 8.8125x18] baseline: 13.796875
                "2"
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        Box <div.grid-item> at [208,8] flex-container(row) [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <(anonymous)> at [253.453125,49] flex-item [0+0+0 9.09375 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [253.453125,49 9.09375x18] baseline: 13.796875
                "3"
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        Box <div.grid-item> at [8,108] flex-container(row) [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <(anonymous)> at [54.125,149] flex-item [0+0+0 7.75 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [54.125,149 7.75x18] baseline: 13.796875
                "4"
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        Box <div.grid-item> at [108,108] flex-container(row) [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <(anonymous)> at [153.765625,149] flex-item [0+0+0 8.453125 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [153.765625,149 8.453125x18] baseline: 13.796875
                "5"
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        Box <div.grid-item> at [208,108] flex-container(row) [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [FFC] children: not-inline
          BlockContainer <(anonymous)> at [253.625,149] flex-item [0+0+0 8.734375 0+0+0] [0+0+0 18 0+0+0] [BFC] children: inline
            frag 0 from TextNode start: 0, length: 1, rect: [253.625,149 8.734375x18] baseline: 13.796875
                "6"
            TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,208] [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 800x216]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x200]
      PaintableBox (Box<DIV>.grid-container) [8,8 784x200]
        PaintableBox (Box<DIV>.grid-item) [8,8 100x100]
          PaintableWithLines (BlockContainer(anonymous)) [54.828125,49 6.34375x18]
            TextPaintable (TextNode<#text>)
        PaintableBox (Box<DIV>.grid-item) [108,8 100x100]
          PaintableWithLines (BlockContainer(anonymous)) [153.59375,49 8.8125x18]
            TextPaintable (TextNode<#text>)
        PaintableBox (Box<DIV>.grid-item) [208,8 100x100]
          PaintableWithLines (BlockContainer(anonymous)) [253.453125,49 9.09375x18]
            TextPaintable (TextNode<#text>)
        PaintableBox (Box<DIV>.grid-item) [8,108 100x100]
          PaintableWithLines (BlockContainer(anonymous)) [54.125,149 7.75x18]
            TextPaintable (TextNode<#text>)
        PaintableBox (Box<DIV>.grid-item) [108,108 100x100]
          PaintableWithLines (BlockContainer(anonymous)) [153.765625,149 8.453125x18]
            TextPaintable (TextNode<#text>)
        PaintableBox (Box<DIV>.grid-item) [208,108 100x100]
          PaintableWithLines (BlockContainer(anonymous)) [253.625,149 8.734375x18]
            TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,208 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x216] [children: 0] (z-index: auto)
