Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline BlockContainer at [1,1] [0+1+0 798 0+1+0] [0+1+0 520 0+1+0] [BFC] children: not-inline BlockContainer at [10,10] [8+1+0 780 0+1+8] [8+1+0 502 0+1+8] children: not-inline Box at [11,11] [0+1+0 500 0+1+278] [0+1+0 500 0+1+0] [GFC] children: not-inline BlockContainer at [12,12] [0+1+0 98 0+1+0] [0+1+0 105.1875 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [12,12 6.34375x16] baseline: 12.796875 "1" TextNode <#text> (not painted) BlockContainer at [12,119.1875] [0+1+0 498 0+1+0] [0+1+0 283.5625 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [12,119.1875 8.8125x16] baseline: 12.796875 "2" TextNode <#text> (not painted) BlockContainer at [12,404.75] [0+1+0 98 0+1+0] [0+1+0 105.1875 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [12,404.75 9.09375x16] baseline: 12.796875 "3" TextNode <#text> (not painted) BlockContainer at [112,404.75] [0+1+0 98 0+1+0] [0+1+0 105.1875 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [112,404.75 7.75x16] baseline: 12.796875 "4" TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x522] PaintableWithLines (BlockContainer) [9,9 782x504] Paintable (Box

.grid) [10,10 502x502] PaintableWithLines (BlockContainer

#a) [11,11 100x107.1875] PaintableWithLines (BlockContainer

#b) [11,118.1875 500x285.5625] PaintableWithLines (BlockContainer

#c) [11,403.75 100x107.1875] PaintableWithLines (BlockContainer

#d) [111,403.75 100x107.1875] SC for Viewport<#document> [0,0 800x600] (z-index: auto) SC for BlockContainer [1,1 798x520] (z-index: auto)