Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x18 [BFC] children: not-inline
    BlockContainer <body> at (0,0) content-size 800x18 children: inline
      frag 0 from TextNode start: 0, length: 13, rect: [0,0 103.140625x18] baseline: 13.796875
          "Hello friends"
      TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x18]
    PaintableWithLines (BlockContainer<BODY>) [0,0 800x18]
      TextPaintable (TextNode<#text>)
