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+0 220 0+1+0] [BFC] children: not-inline BlockContainer at [10,10] [8+1+0 780 0+1+8] [8+1+0 202 0+1+8] children: not-inline Box at [11,11] [0+1+0 778 0+1+0] [0+1+0 200 0+1+0] [GFC] children: not-inline BlockContainer at [12,12] [0+1+0 98 0+1+0] [0+1+0 98 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 [12,112] [0+1+0 98 0+1+0] [0+1+0 98 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [12,112 8.8125x16] baseline: 12.796875 "2" TextNode <#text> (not painted) BlockContainer at [112,12] [0+1+0 98 0+1+0] [0+1+0 98 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [112,12 9.09375x16] baseline: 12.796875 "3" TextNode <#text> (not painted) BlockContainer at [112,112] [0+1+0 98 0+1+0] [0+1+0 98 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [112,112 7.75x16] baseline: 12.796875 "4" TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x222] PaintableWithLines (BlockContainer) [9,9 782x204] Paintable (Box

.grid) [10,10 780x202] PaintableWithLines (BlockContainer

#a) [11,11 100x100] PaintableWithLines (BlockContainer

#b) [11,111 100x100] PaintableWithLines (BlockContainer

#a) [111,11 100x100] PaintableWithLines (BlockContainer

#b) [111,111 100x100] SC for Viewport<#document> [0,0 800x600] (z-index: auto) SC for BlockContainer [1,1 798x220] (z-index: auto)