var swiper = new Swiper('.swiper-container', {
    navigation: {
      nextEl: '.swiper-button-next',
      prevEl: '.swiper-button-prev',
    },
    loop: true,
    speed: 1000,
    pagination: {
      el: '.swiper-pagination',
      type: 'bullets',
      clickable: true,
    },
  });