Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x18 [BFC] children: inline
    InlineNode <body>
      frag 0 from BlockContainer start: 0, length: 0, rect: [8,13 0x0] baseline: 0
      frag 1 from TextNode start: 0, length: 5, rect: [8,0 36.84375x18] baseline: 13.796875
          "hello"
      BlockContainer <main> at (8,13) content-size 0x0 inline-block [BFC] children: not-inline
        BlockContainer <div> at (8,0) content-size 36.84375x18 positioned [BFC] children: inline
          TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x18]
    PaintableWithLines (InlineNode<BODY>) [8,13 36.84375x18]
      PaintableWithLines (BlockContainer<MAIN>) [8,13 0x0]
        PaintableWithLines (BlockContainer<DIV>) [8,0 36.84375x18]
          TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x18] [children: 0] (z-index: auto)
