Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x600 [BFC] children: not-inline
    BlockContainer <body> at (10,10) content-size 780x40 children: not-inline
      Box <div.grid-container> at (11,11) content-size 778x38 [GFC] children: not-inline
        BlockContainer <div.a> at (62,12) content-size 98x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [62,12 6.34375x17] baseline: 13.296875
              "1"
          TextNode <#text>
        BlockContainer <div> at (162,12) content-size 48x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [162,12 8.8125x17] baseline: 13.296875
              "2"
          TextNode <#text>
        BlockContainer <div> at (212,12) content-size 98x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [212,12 9.09375x17] baseline: 13.296875
              "3"
          TextNode <#text>
        BlockContainer <div> at (12,31) content-size 48x17 [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [12,31 7.75x17] baseline: 13.296875
              "4"
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600] overflow: [0,0 800x602]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x602]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x42]
      PaintableBox (Box<DIV>.grid-container) [10,10 780x40]
        PaintableWithLines (BlockContainer<DIV>.a) [61,11 100x19]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>) [161,11 50x19]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>) [211,11 100x19]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>) [11,30 50x19]
          TextPaintable (TextNode<#text>)
