Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (1,1) content-size 798x37 [BFC] children: not-inline
    BlockContainer <body> at (10,10) content-size 780x19 children: not-inline
      BlockContainer <span.text> at (11,11) content-size 66.671875x17 children: inline
        frag 0 from TextNode start: 0, length: 7, rect: [11,11 66.671875x17] baseline: 13.296875
            "Trimmed"
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x39]
    PaintableWithLines (BlockContainer<BODY>) [9,9 782x21]
      PaintableWithLines (BlockContainer<SPAN>.text) [10,10 68.671875x19]
        TextPaintable (TextNode<#text>)
