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 [0,0] [0+0+0 800 0+0+0] [0+0+0 70 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 54 0+0+8] children: not-inline
      Box <div.container> at [9,9] flex-container(row) [0+1+0 600 0+1+182] [0+1+0 52 0+1+0] [FFC] children: not-inline
        BlockContainer <div.box> at [20,10] flex-item [10+1+0 150 0+1+0] [0+1+0 50 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 11, rect: [20,10 86.359375x18] baseline: 13.796875
              "left margin"
          TextNode <#text> (not painted)
        BlockContainer <div.box> at [172,10] flex-item [0+1+0 150 0+1+0] [0+1+0 50 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 18, rect: [172,10 141.28125x18] baseline: 13.796875
              "follow immediately"
          TextNode <#text> (not painted)
        BlockContainer <div.box> at [458,10] flex-item [0+1+0 150 0+1+0] [0+1+0 50 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 17, rect: [458,10 138.296875x18] baseline: 13.796875
              "over at the right"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,62] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x70]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x54]
      PaintableBox (Box<DIV>.container) [8,8 602x54]
        PaintableWithLines (BlockContainer<DIV>.box) [19,9 152x52]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.box) [171,9 152x52]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.box) [457,9 152x52]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,62 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x70] [children: 0] (z-index: auto)
