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 0 0+1+0] [BFC] children: not-inline BlockContainer at [10,10] positioned [8+1+0 4 0+1+8] [8+1+0 54 0+1+8] [BFC] children: not-inline BlockContainer at [11,11] [0+1+0 2 0+1+0] [0+1+0 52 0+1+0] children: not-inline BlockContainer at [12,12] [0+1+0 0 0+1+0] [0+1+0 50 0+1+0] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x2] PaintableWithLines (BlockContainer) [9,9 6x56] PaintableWithLines (BlockContainer

.outer) [10,10 4x54] PaintableWithLines (BlockContainer

.inner) [11,11 2x52] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [1,1 798x0] [children: 0] (z-index: auto)