.swiper-slide {
  display: flex;
  justify-content: center;
}

.logoSwiper {
  padding: 20px 0;
  background: #fff;
}
.swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}
.swiper-slide img {
  max-height: 60px;
  max-width: 100%;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}
.swiper-slide img:hover {
  filter: grayscale(0%);
}