.swiper-nav .swiper-button-next:after,
.swiper-nav .swiper-button-prev:after {
  color: #fff;
}

.swiper-nav .swiper-button-next:after {
  background-color: #000;
  padding: 7px 20px 7px 10px;
  opacity: 0.3;
  transition: 0.3s;
}

.swiper-nav .swiper-button-prev:after {
  background-color: #000;
  padding: 7px 10px 7px 20px;
  opacity: 0.3;
  transition: 0.3s;
}

.swiper-button-next:hover:after {
  opacity: 0.7;
}

.swiper-button-prev:hover:after {
  opacity: 0.7;
}