Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x70 [BFC] children: not-inline
    Box <body> at (10,10) content-size 780x52 flex-container(row) [FFC] children: not-inline
      ImageBox <img> at (11,11) content-size 66.666671x50 flex-item children: not-inline
      BlockContainer <(anonymous)> at (10,10) content-size 0x0 [BFC] children: inline
        TextNode <#text>
