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+0 267 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 110 0+0+100] children: not-inline BlockContainer
at [8,8] [0+0+0 784 0+0+0] [0+0+0 110 0+0+0] children: not-inline BlockContainer at [8,8] floating [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [BFC] children: not-inline BlockContainer at [8,108] [0+0+0 10 0+0+774] [9999+0+0 10 0+0+100] children: not-inline BlockContainer at [8,218] floating [0+0+0 49 0+0+0] [0+0+0 49 0+0+0] [BFC] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x267] PaintableWithLines (BlockContainer) [8,8 784x110] PaintableWithLines (BlockContainer
) [8,8 784x110] PaintableWithLines (BlockContainer
.square.white) [8,8 100x100] PaintableWithLines (BlockContainer
.clearfix) [8,108 10x10] PaintableWithLines (BlockContainer
.square.black) [8,218 49x49] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x267] [children: 0] (z-index: auto)