Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [1,1] [0+1+0 798 0+1+0] [0+1+0 268 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] [8+1+0 780 0+1+8] [8+1+0 250 0+1+8] children: not-inline
      Box <div.flexbox> at [11,11] flex-container(row) [0+1+0 100 0+1+678] [0+1+0 248 0+1+0] [FFC] children: not-inline
        BlockContainer <div> at [12,12] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [64,12] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [12,84] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [64,84] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [12,156] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [64,156] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [12,228] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline
        BlockContainer <div> at [64,228] flex-item [0+1+0 30 0+1+0] [0+1+0 30 0+1+0] [BFC] children: not-inline

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x270]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x252]
      PaintableBox (Box<DIV>.flexbox) [10,10 102x250]
        PaintableWithLines (BlockContainer<DIV>) [11,11 32x32]
        PaintableWithLines (BlockContainer<DIV>) [63,11 32x32]
        PaintableWithLines (BlockContainer<DIV>) [11,83 32x32]
        PaintableWithLines (BlockContainer<DIV>) [63,83 32x32]
        PaintableWithLines (BlockContainer<DIV>) [11,155 32x32]
        PaintableWithLines (BlockContainer<DIV>) [63,155 32x32]
        PaintableWithLines (BlockContainer<DIV>) [11,227 32x32]
        PaintableWithLines (BlockContainer<DIV>) [63,227 32x32]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x268] [children: 0] (z-index: auto)
