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 41 0+0+0] [BFC] children: not-inline BlockContainer at [8,13] [8+0+0 784 0+0+8] [8+0+0 15 0+0+13] children: not-inline BlockContainer

 at [9,14] [0+1+0 782 0+1+0] [13+1+0 13 0+1+13] children: inline
        InlineNode  at [9,14] [0+0+0 6.5 0+0+0] [0+0+0 13 0+0+0]
          frag 0 from TextNode start: 0, length: 1, rect: [9,14 6.5x13] baseline: 10.390625
              " "
          TextNode <#text> (not painted)
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer) [0,0 800x41]
    PaintableWithLines (BlockContainer) [8,13 784x15]
      PaintableWithLines (BlockContainer) [8,13 784x15]
        PaintableWithLines (InlineNode) [9,14 6.5x13]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer [0,0 800x41] (z-index: auto)