Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x39 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x23 children: not-inline
      FieldSetBox <fieldset> at (24,15.59375) content-size 752x3.40625 [BFC] children: not-inline
        LegendBox <legend> at (26,1) content-size 36.328125x18 children: inline
          frag 0 from TextNode start: 0, length: 5, rect: [26,1 36.328125x18] baseline: 13.796875
              "login"
          TextNode <#text>
      BlockContainer <(anonymous)> at (8,31) content-size 784x0 children: inline
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x39]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x23] overflow: [8,1 784x38]
      FieldSetPaintable (FieldSetBox<FIELDSET>) [10,8 780x23] overflow: [12,1 776x38]
        PaintableWithLines (LegendBox<LEGEND>) [24,1 40.328125x18]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,31 784x0]
