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 48 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 32 0+0+8] children: not-inline
      Box <div.container> at [8,8] [0+0+0 784 0+0+0] [0+0+0 32 0+0+0] [GFC] children: not-inline
        BlockContainer <div.item.right-bottom> at [400,24] [0+0+0 392 0+0+0] [0+0+0 16 0+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 12, rect: [400,24 99.703125x16] baseline: 12.796875
              "right-bottom"
          TextNode <#text> (not painted)
        BlockContainer <div.item.left> at [8,8] [0+0+0 392 0+0+0] [0+0+0 32 0+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [8,8 26.25x16] baseline: 12.796875
              "left"
          TextNode <#text> (not painted)
        BlockContainer <div.item.right-top> at [400,8] [0+0+0 392 0+0+0] [0+0+0 16 0+0+0] [BFC] children: inline
          frag 0 from TextNode start: 0, length: 9, rect: [400,8 70.234375x16] baseline: 12.796875
              "right-top"
          TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x48]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x32]
      Paintable (Box<DIV>.container) [8,8 784x32]
        PaintableWithLines (BlockContainer<DIV>.item.right-bottom) [400,24 392x16]
        PaintableWithLines (BlockContainer<DIV>.item.left) [8,8 392x32]
        PaintableWithLines (BlockContainer<DIV>.item.right-top) [400,8 392x16]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x48] (z-index: auto)
