Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x37.46875 [BFC] children: not-inline
    BlockContainer <body> at (10,10) content-size 780x19.46875 children: not-inline
      Box <div.container> at (11,11) content-size 800x17.46875 flex-container(row) [FFC] children: not-inline
        BlockContainer <(anonymous)> at (392.21875,11) content-size 37.578125x17.46875 flex-item [BFC] children: inline
          line 0 width: 37.578125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
            frag 0 from TextNode start: 0, length: 4, rect: [392.21875,11 37.578125x17.46875]
              "Text"
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600] overflow: [0,0 812x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x39.46875] overflow: [1,1 811x37.46875]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x21.46875] overflow: [10,10 802x19.46875]
      PaintableBox (Box<DIV>.container) [10,10 802x19.46875]
        PaintableWithLines (BlockContainer(anonymous)) [392.21875,11 37.578125x17.46875]
          TextPaintable (TextNode<#text>)
