====== EASING ======
===== Values =====
  * ''LINEAR''
  * ''QUAD_IN''
  * ''QUAD_OUT''
  * ''QUAD_IN_OUT''
  * ''CUBIC_IN''
  * ''CUBIC_OUT''
  * ''CUBIC_IN_OUT''
  * ''QUARTIC_IN''
  * ''QUARTIC_OUT''
  * ''QUARTIC_IN_OUT''
  * ''QUINTIC_IN''
  * ''QUINTIC_OUT''
  * ''QUINTIC_IN_OUT''
  * ''SINE_IN''
  * ''SINE_OUT''
  * ''SINE_IN_OUT''
  * ''EXPO_IN''
  * ''EXPO_OUT''
  * ''EXPO_IN_OUT''
  * ''CIRCULAR_IN''
  * ''CIRCULAR_OUT''
  * ''CIRCULAR_IN_OUT''
  * ''BOUNCE_IN''
  * ''BOUNCE_OUT''
  * ''BOUNCE_IN_OUT''
  * ''ELASTIC_IN''
  * ''ELASTIC_OUT''
  * ''ELASTIC_IN_OUT''
  * ''BACK_IN''
  * ''BACK_OUT''
  * ''BACK_IN_OUT''
  * ''CUSTOM_EASE_OUT''
  * ''CUSTOM_CUBIC_BEZIER''