Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] positioned [8+0+0 300 0+0+8] [8+0+0 300 0+0+8] [BFC] children: inline
      InlineNode <span.span1> at [8,8] [0+0+0 74.125 16+0+0] [0+0+0 16 0+0+0]
        frag 0 from TextNode start: 0, length: 8, rect: [8,8 74.125x16] baseline: 12.796875
            "Features"
        TextNode <#text> (not painted)
        BlockContainer <span.span2> at [85.625,15.1875] positioned [0+0+0 8 0+0+0] [0+0+0 8 0+0+0] [BFC] children: not-inline
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x0]
    PaintableWithLines (BlockContainer<BODY>) [8,8 300x300]
      InlinePaintable (InlineNode<SPAN>.span1) [8,8 90.125x16]
        PaintableWithLines (BlockContainer<SPAN>.span2) [85.625,15.1875 8x8]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x0] (z-index: auto)
