Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x80 [BFC] children: not-inline
    BlockContainer <body> at (10,10) content-size 780x62 children: inline
      line 0 width: 82, height: 62, bottom: 62, baseline: 62
        frag 0 from ImageBox start: 0, length: 0, rect: [11,11 80x60]
      ImageBox <img> at (11,11) content-size 80x60 children: not-inline
