Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x64 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x48 children: not-inline
      BlockContainer <main> at (8,8) content-size 784x48 children: inline
        frag 0 from BlockContainer start: 0, length: 0, rect: [23,23 343.96875x18] baseline: 28.796875
        BlockContainer <div> at (23,23) content-size 343.96875x18 inline-block [BFC] children: inline
          InlineNode <span>
            frag 0 from TextNode start: 0, length: 42, rect: [23,23 343.96875x18] baseline: 13.796875
                "hello :host and :host(<compound-selector>)"
            TextNode <#text>
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x64]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x48]
      PaintableWithLines (BlockContainer<MAIN>) [8,8 784x48]
        PaintableWithLines (BlockContainer<DIV>) [8,8 373.96875x48]
          PaintableWithLines (InlineNode<SPAN>)
            TextPaintable (TextNode<#text>)
