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 36 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [0,0] [0+0+0 800 0+0+0] [0+0+0 36 0+0+0] children: not-inline
      BlockContainer <div.a> at [0,0] [0+0+0 800 0+0+0] [0+0+0 36 0+0+0] children: not-inline
        BlockContainer <(anonymous)> at [0,0] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div.b> at [0,0] [0+0+0 800 0+0+0] [0+0+0 18 0+0+0] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [0,0 14.265625x18] baseline: 13.796875
              "A"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> at [0,18] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
          TextNode <#text> (not painted)
        BlockContainer <div> at [0,18] [0+0+0 800 0+0+0] [0+0+0 18 0+0+0] children: inline
          frag 0 from TextNode start: 0, length: 1, rect: [0,18 9.34375x18] baseline: 13.796875
              "B"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> at [0,36] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [0,36] [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 800x36]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x36]
      PaintableWithLines (BlockContainer<DIV>.a) [0,0 800x36]
        PaintableWithLines (BlockContainer(anonymous)) [0,0 800x0]
        PaintableWithLines (BlockContainer<DIV>.b) [0,0 800x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer(anonymous)) [0,18 800x0]
        PaintableWithLines (BlockContainer<DIV>) [0,18 800x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer(anonymous)) [0,36 800x0]
      PaintableWithLines (BlockContainer(anonymous)) [0,36 800x0]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x36] (z-index: auto)
