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] positioned [0+1+0 200 0+1+578] [0+1+0 200 0+1+0] [GFC] children: not-inline BlockContainer at [137,37] positioned [0+1+0 48 0+1+0] [0+1+0 48 0+1+0] [BFC] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x222] PaintableWithLines (BlockContainer) [9,9 782x204] PaintableBox (Box

.grid) [10,10 202x202] PaintableWithLines (BlockContainer

.abspos-item) [136,36 50x50] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [1,1 798x220] [children: 0] (z-index: auto)