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 51.59375 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 35.59375 0+0+8] children: not-inline
      FieldSetBox <fieldset> at [24,15.59375] [2+2+12 752 12+2+2] [0+2+5.59375 16 10+2+0] [BFC] children: not-inline
        LegendBox <legend> at [26,8] [0+0+2 36.328125 2+0+0] [0+0+0 18 0+0+0] children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [26,8 36.328125x18] baseline: 13.796875
              "login"
          TextNode <#text> (not painted)
        BlockContainer <(anonymous)> at [24,31.59375] [0+0+0 752 0+0+0] [0+0+0 0 0+0+0] [BFC] children: not-inline
      BlockContainer <(anonymous)> at [8,43.59375] [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 800x51.59375]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x35.59375]
      FieldSetPaintable (FieldSetBox<FIELDSET>) [10,8 780x35.59375]
        PaintableWithLines (LegendBox<LEGEND>) [24,8 40.328125x18]
          TextPaintable (TextNode<#text>)
        PaintableWithLines (BlockContainer(anonymous)) [24,31.59375 752x0]
      PaintableWithLines (BlockContainer(anonymous)) [8,43.59375 784x0]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x51.59375] [children: 0] (z-index: auto)
