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+0 132 0+0+0] [BFC] children: not-inline
BlockContainer
at [8,8] [8+0+0 784 0+0+8] [8+0+0 116 0+0+8] children: inline
frag 0 from TextNode start: 1, length: 3, rect: [8,108 27.15625x16] baseline: 12.796875
"foo"
BlockContainer at [8,8] floating [0+0+0 100 0+0+0] [0+0+0 100 0+0+0] [BFC] children: not-inline
TextNode <#text> (not painted)
BreakNode (not painted)
TextNode <#text> (not painted)
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer) [0,0 800x132]
PaintableWithLines (BlockContainer) [8,8 784x116]
PaintableWithLines (BlockContainer.a) [8,8 100x100]
SC for Viewport<#document> [0,0 800x600] (z-index: auto)
SC for BlockContainer [0,0 800x132] (z-index: auto)