anchor.diff:  html
       head
  -        // Third-party CSS
           link(rel='stylesheet', href='/components/bootstrap/dist/css/bootstrap.min.css')
  -
  -        // Custom CSS
           link(rel='stylesheet', href='/css/app.css')
       body
           - for (var i=0; i<4; i++) {
  
positive.code:             iframe#replayer(src='' style='width:1024; height:800;')
          div(style='clear:both')
  
          // Third-party JS
          script(src='/components/jquery/dist/jquery.min.js')
          script(src='/components/underscore/underscore.js')
          //script(src='/components/bootstrap/dist/js/bootstrap.min.js')
  
          // Custom JS
          script(src='/js/app.js')
          
negative.code:                 label(for='ai'+i) AI #{i}
                  input(id='ai'+i, type='text', value='python ai/ai.py')
          - }
          div
              button#runGame Run Game
  
  