Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x33.46875 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x17.46875 children: not-inline
      BlockContainer <div.outer> at (18,8) content-size 80x17.46875 children: not-inline
        BlockContainer <span.text> at (18,8) content-size 80x17.46875 [BFC] children: inline
          line 0 width: 189.875, height: 17.46875, bottom: 17.46875, baseline: 13.53125
            frag 0 from TextNode start: 0, length: 22, rect: [18,8 189.875x17.46875]
              "My super long message!"
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x33.46875]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x17.46875]
      PaintableWithLines (BlockContainer<DIV>.outer) [18,8 80x17.46875]
        PaintableWithLines (BlockContainer<SPAN>.text) [18,8 80x17.46875] overflow: [18,8 189.875x17.46875]
          TextPaintable (TextNode<#text>)
