Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x600 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x110 children: not-inline BlockContainer
at (8,8) content-size 784x110 children: not-inline BlockContainer at (8,8) content-size 100x100 floating [BFC] children: not-inline BlockContainer at (8,108) content-size 10x10 children: not-inline BlockContainer at (8,218) content-size 49x49 floating [BFC] children: not-inline ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x600] PaintableWithLines (BlockContainer) [8,8 784x110] overflow: [8,8 784x259] PaintableWithLines (BlockContainer
) [8,8 784x110] overflow: [8,8 784x259] PaintableWithLines (BlockContainer
.square.white) [8,8 100x100] PaintableWithLines (BlockContainer
.clearfix) [8,108 10x10] PaintableWithLines (BlockContainer
.square.black) [8,218 49x49]