.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: cover;
    background-position: center;
}

    .swiper-slide img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

#main-swiper .swiper-slide img {
    width: unset;
    height: unset;
}