$require(['swiper'], function () {
    var swiper = new Swiper('.magnify', {
        slidesPerView: 4,
        spaceBetween: 0,
        centeredSlides: true,
        loop: true,
        navigation: {
            nextEl: '.Under',
            prevEl: '.Upper',
        },
       breakpoints: { 
        320: {
          slidesPerView :2,
          spaceBetween : 0,
        },
        768: {
          slidesPerView :5,
          spaceBetween : 20,
        },
        1280: {
          slidesPerView :4,
          spaceBetween : 0,
        }
      }
    });
})