Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 416 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 416 0+0+0] children: not-inline
      Box <div.container> at [1,1] flex-container(row) [0+1+0 500 0+1+298] [0+1+0 102 0+1+0] [FFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.item> at [2,2] flex-item [0+1+0 100 0+1+0] [0+1+0 100 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [2,2 14.265625x18] baseline: 13.796875
              "A"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.item> at [104,2] flex-item [0+1+0 100 0+1+0] [0+1+0 100 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [104,2 9.34375x18] baseline: 13.796875
              "B"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.item> at [206,2] flex-item [0+1+0 100 0+1+0] [0+1+0 50 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [206,2 10.3125x18] baseline: 13.796875
              "C"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [0,104] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
        TextNode <#text> (not painted)
      Box <div.container> at [1,115] flex-container(column) [0+1+0 798 0+1+0] [10+1+0 300 0+1+0] [FFC] children: not-inline
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.item> at [2,116] flex-item [0+1+0 796 0+1+0] [0+1+0 100 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [2,116 11.140625x18] baseline: 13.796875
              "D"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.item> at [2,218] flex-item [0+1+0 796 0+1+0] [0+1+0 50 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [2,218 11.859375x18] baseline: 13.796875
              "E"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> (not painted) [BFC] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [0,416] [0+0+0 800 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 800x416]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x416]
      PaintableBox (Box<DIV>.container) [0,0 502x104]
        PaintableWithLines (BlockContainer<DIV>.item) [1,1 102x102]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.item) [103,1 102x102]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.item) [205,1 102x52]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [0,104 800x0]
      PaintableBox (Box<DIV>.container) [0,114 800x302]
        PaintableWithLines (BlockContainer<DIV>.item) [1,115 798x102]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.item) [1,217 798x52]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [0,416 800x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x416] [children: 0] (z-index: auto)
