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 [0,0] [0+0+0 800 0+0+0] [0+0+0 220 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 204 0+0+8] children: not-inline BlockContainer at [9,9] [0+1+0 100 0+1+682] [0+1+0 100 0+1+0] children: not-inline BlockContainer at [9,111] [0+1+0 100 0+1+682] [0+1+0 100 0+1+0] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x220] PaintableWithLines (BlockContainer) [8,8 784x204] PaintableWithLines (BlockContainer

.a) [8,8 102x102] PaintableWithLines (BlockContainer

.b) [8,110 102x102] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x220] [children: 0] (z-index: auto)