Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x17 [BFC] children: inline
    InlineNode <head>
      InlineNode <style>
        frag 0 from TextNode start: 1, length: 18, rect: [0,0 134.984375x17] baseline: 13.296875
            "* { all: unset; } "
        TextNode <#text>
    InlineNode <body>
      frag 0 from TextNode start: 0, length: 13, rect: [135,0 103.140625x17] baseline: 13.296875
          "Hello friends"
      TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x17]
    InlinePaintable (InlineNode<HEAD>)
      InlinePaintable (InlineNode<STYLE>)
        TextPaintable (TextNode<#text>)
    InlinePaintable (InlineNode<BODY>)
      TextPaintable (TextNode<#text>)
