code: function _translate(duration, ease = '', x = false) {
      slidesDOMEl.style.cssText = getTranslationCSS(duration, ease, index, x)
    }
docs: translates to a given position in a given time in milliseconds
  
  @duration  {number} time in milliseconds for the transistion
  @ease      {string} easing css property
  @x         {number} Number of pixels to fine tuning translation