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 40 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 24 0+0+8] children: not-inline
      Box <div.grid-container> at [8,8] [0+0+0 784 0+0+0] [0+0+0 24 0+0+0] [GFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.wrapper> at [8,8] [0+0+0 64 0+0+0] [0+0+0 24 0+0+0] [BFC] children: inline
          frag 0 from ImageBox start: 0, length: 0, rect: [8,8 64x24] baseline: 24
          TextNode <#text> (not painted)
          ImageBox <img> at [8,8] [0+0+0 64 0+0+0] [0+0+0 24 0+0+0] children: not-inline
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x40]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x24]
      PaintableBox (Box<DIV>.grid-container) [8,8 784x24]
        PaintableWithLines (BlockContainer<DIV>.wrapper) [8,8 64x24]
          ImagePaintable (ImageBox<IMG>) [8,8 64x24]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x40] [children: 0] (z-index: auto)
