$('#cd-start').click(function(){
  $('.cd-product').toggleClass('is-product-tour').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function () {
    $('.cd-close-product-tour').toggleClass('is-visible');
    $('.cd-points-container').toggleClass('points-enlarged').one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function () {
        $(this).toggleClass('points-pulsing');
    });
  });
});