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 0 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] positioned [8+0+0 0 0+0+8] [8+0+0 0 0+0+8] [BFC] children: not-inline BlockContainer at [9,9] positioned [0+1+0 0 0+1+0] [0+1+0 0 0+1+0] [BFC] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x0] PaintableWithLines (BlockContainer.outer) [8,8 0x0] PaintableWithLines (BlockContainer

.inner) [8,8 2x2] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x0] [children: 0] (z-index: auto)