var mySwiper = new Swiper('.swiper-container',{
          effect : 'coverflow',
          loop : true,
          slidesPerView: 1.5,
          centeredSlides: true,
          coverflow: {
            rotate: 0,
            stretch: 50,
            depth: 150,
            modifier: 3,
            slideShadows : false
          }
        })