Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x0 [BFC] children: not-inline BlockContainer at (8,8) content-size 140x100 positioned [BFC] children: not-inline BlockContainer at (58,58) content-size 40x0 children: inline BlockContainer at (78,78) content-size 0x0 floating [BFC] children: not-inline TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x0] overflow: [8,8 140x100] PaintableWithLines (BlockContainer) [8,8 140x100] PaintableWithLines (BlockContainer

.black) [8,8 140x100] PaintableWithLines (BlockContainer

.green) [58,58 40x40]