.swiper-button-next, 
.swiper-button-prev{background: transparent;width: 30px;height: 30px; bottom: 60px; top: auto;}
.swiper-button-next::after,
.swiper-button-prev::after{content: none;}
.swiper-button-prev,
.swiper-button-next{font-size:20px;}
.swiper-button-next{right: 15px;}
.swiper-button-prev{left: 15px;}
.swiper-button-next i,
.swiper-button-prev i{
    font-size: 35px;

}