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 24 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 24 0+0+0] children: not-inline
      Box <div.row> at [0,0] flex-container(row) [0+0+0 800 0+0+0] [0+0+0 24 0+0+0] [FFC] children: not-inline
        SVGSVGBox <svg> at [0,0] flex-item [0+0+0 190.53125 0+0+0] [0+0+0 24 0+0+0] [SVG] children: not-inline
          SVGGeometryBox <rect> at [0,0] [0+0+0 190.53125 0+0+0] [0+0+0 24 0+0+0] children: not-inline
        BlockContainer <div.sibling> at [190.53125,0] flex-item [0+0+0 20 0+0+0] [0+0+0 20 0+0+0] [BFC] children: not-inline
      BlockContainer <(anonymous)> at [0,24] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x24]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x24]
      PaintableBox (Box<DIV>.row) [0,0 800x24]
        SVGSVGPaintable (SVGSVGBox<svg>) [0,0 190.53125x24]
          SVGPathPaintable (SVGGeometryBox<rect>) [0,0 190.53125x24]
        PaintableWithLines (BlockContainer<DIV>.sibling) [190.53125,0 20x20]
      PaintableWithLines (BlockContainer(anonymous)) [0,24 800x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x24] (z-index: auto)
