Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (1,1) content-size 798x18 [BFC] children: not-inline BlockContainer at (10,10) content-size 780x0 children: inline TextNode <#text> BlockContainer at (6,6) content-size 10x10 positioned [BFC] children: not-inline TextNode <#text> BlockContainer at (16,16) content-size 10x10 positioned [BFC] children: not-inline TextNode <#text> BlockContainer at (11,11) content-size 10x10 positioned [BFC] children: not-inline TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x20] PaintableWithLines (BlockContainer) [9,9 782x2] PaintableWithLines (BlockContainer

.only-t-l) [5,5 12x12] PaintableWithLines (BlockContainer

.only-mt-ml) [15,15 12x12] PaintableWithLines (BlockContainer

.both) [10,10 12x12] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [1,1 798x18] [children: 0] (z-index: auto)