Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  Box <html> at [0,0] flex-container(row) [0+0+0 60 0+0+740] [0+0+0 50 0+0+0] [FFC] children: not-inline
    Box <body> at [8,3] flex-container(row) flex-item [8+0+0 44 0+0+8] [8+0+0 44 0+0+8] [FFC] children: not-inline
      ImageBox <img> at [8,3] flex-item [0+0+0 44 0+0+0] [0+0+0 44 0+0+0] children: not-inline
      BlockContainer <(anonymous)> (not painted) [BFC] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableBox (Box<HTML>) [0,0 60x50]
    PaintableBox (Box<BODY>) [8,3 44x44]
      ImagePaintable (ImageBox<IMG>) [8,3 44x44]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for Box<HTML> [0,0 60x50] [children: 0] (z-index: auto)
