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 39 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 23 0+0+8] children: not-inline
      BlockContainer <(anonymous)> at [8,8] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        BlockContainer <div.ref> at [186,10] positioned [176+2+0 16 0+2+0] [0+2+0 16 0+2+0] [BFC] children: not-inline
        TextNode <#text> (not painted)
      BlockContainer <div.test> at [8,8] [0+0+0 784 0+0+0] [0+0+0 23 0+0+0] children: inline
        frag 0 from TextNode start: 0, length: 1, rect: [8,16 148x15] baseline: 11.390625
            "	"
        frag 1 from BlockContainer start: 0, length: 0, rect: [156,8 20x20] baseline: 20
        TextNode <#text> (not painted)
        BlockContainer <span> at [156,8] inline-block [0+0+0 20 0+0+0] [0+0+0 20 0+0+0] [BFC] children: not-inline
      BlockContainer <(anonymous)> at [8,31] [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 800x39]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x23]
      PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
        PaintableWithLines (BlockContainer<DIV>.ref) [184,8 20x20]
      PaintableWithLines (BlockContainer<DIV>.test) [8,8 784x23]
        TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer<SPAN>) [156,8 20x20]
      PaintableWithLines (BlockContainer(anonymous)) [8,31 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x39] [children: 1] (z-index: auto)
  SC for BlockContainer<DIV>.ref [186,10 16x16] [children: 0] (z-index: -1)
