anchor.diff:  
     body
       div#info
  -      span Animation demos.
  +      span Click the buttons to play the animations.
         div#prefab Prefab:
           button fadeOut
           button fadeIn
  
positive.code:         button#moveBy moveBy
          button#moveTo moveTo
          input(type="text" id="inputMove" name="move" value="160")
        div Custom:
          button#helical helical
        div Multiple(Mix):
          button#multiple move + spin
      div#container
  
negative.code:         button#spinIn spinIn
          button shake
          br
          span Toggle (need to click twice):
          button puff
          button clip
          button flipX
  