Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 34 0+0+0] [BFC] children: not-inline
    Box <body.outer> at [8,8] flex-container(column) [8+0+0 200 0+0+592] [8+0+0 18 0+0+8] [FFC] children: not-inline
      BlockContainer <div.middle> at [8,8] flex-item [0+0+0 200 0+0+0] [0+0+0 18 0+0+0] [BFC] children: not-inline
        BlockContainer <div.inner> at [8,8] [0+0+0 200 0+0+0] [0+0+0 18 0+0+0] children: inline
          frag 0 from TextNode start: 0, length: 20, rect: [8,8 174.234375x18] baseline: 13.796875
              "percentages are hard"
          TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x34]
    PaintableBox (Box<BODY>.outer) [8,8 200x18]
      PaintableWithLines (BlockContainer<DIV>.middle) [8,8 200x18]
        PaintableWithLines (BlockContainer<DIV>.inner) [8,8 200x18]
          TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x34] [children: 0] (z-index: auto)
