Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x62.506248 [BFC] children: not-inline
    BlockContainer <body> at (2,2) content-size 796x60.506248 children: inline
      line 0 width: 34, height: 28.50625, bottom: 28.50625, baseline: 28.50625
        frag 0 from BlockContainer start: 0, length: 0, rect: [4,3 30x30]
      line 1 width: 32, height: 28.506248, bottom: 60.506248, baseline: 28.50625
        frag 0 from BlockContainer start: 0, length: 0, rect: [3,35 30x30]
      BlockContainer <div.clump> at (4,3) content-size 30x30 inline-block [BFC] children: not-inline
      BreakNode <br>
      BlockContainer <div.clump> at (3,35) content-size 30x30 inline-block [BFC] children: not-inline
