Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x36 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x20 children: inline
      InlineNode <span>
        frag 0 from TextNode start: 0, length: 4, rect: [111,8 42.28125x20] baseline: 15.390625
            "Text"
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x36]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x20]
      InlinePaintable (InlineNode<SPAN>)
        TextPaintable (TextNode<#text>)
