Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x16 [BFC] children: not-inline
    BlockContainer <(anonymous)> at (0,0) content-size 800x0 children: inline
      TextNode <#text>
    BlockContainer <body> at (8,8) content-size 784x0 children: inline
      TextNode <#text>
