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+0 200 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 200 0+0+0] children: not-inline
      Box <div.grid> at [0,0] [0+0+0 50 0+0+750] [0+0+0 200 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
          TextNode <#text> (not painted)
        SVGSVGBox <svg> at [0,0] [0+0+0 50 0+0+0] [0+0+0 200 0+0+0] [SVG] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [0,200] [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 800x200]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x200]
      PaintableBox (Box<DIV>.grid) [0,0 50x200]
        SVGSVGPaintable (SVGSVGBox<svg>) [0,0 50x200]
      PaintableWithLines (BlockContainer(anonymous)) [0,200 800x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x200] [children: 0] (z-index: auto)
