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 80 0+1+0] [BFC] children: not-inline
    BlockContainer <body> at [10,10] [8+1+0 780 0+1+8] [8+1+0 62 0+1+8] children: not-inline
      Box <div.flex-container> at [11,11] flex-container(row) [0+1+0 778 0+1+0] [0+1+0 60 0+1+0] [FFC] children: not-inline
        BlockContainer <div.flex-item> at [12,12] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [12,12 58.421875x23] baseline: 17.5
              "Item 1"
          TextNode <#text> (not painted)
        BlockContainer <div.flex-item> at [401,12] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [401,12 61.5x23] baseline: 17.5
              "Item 2"
          TextNode <#text> (not painted)
        BlockContainer <div.flex-item> at [12,42] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [12,42 61.859375x23] baseline: 17.5
              "Item 3"
          TextNode <#text> (not painted)
        BlockContainer <div.flex-item> at [401,42] flex-item [0+1+0 386 0+1+0] [0+1+0 28 0+1+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 6, rect: [401,42 60.171875x23] baseline: 17.5
              "Item 4"
          TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x82]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x64]
      PaintableBox (Box<DIV>.flex-container) [10,10 780x62]
        PaintableWithLines (BlockContainer<DIV>.flex-item) [11,11 388x30]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.flex-item) [400,11 388x30]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.flex-item) [11,41 388x30]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<DIV>.flex-item) [400,41 388x30]
          TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [1,1 798x80] [children: 0] (z-index: auto)
