.main-slider .swiper-button-next, .main-slider .swiper-button-prev {
    color: #fff; /* O el color que prefieras */
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-slider .swiper-button-next::after, .main-slider .swiper-button-prev::after {
    font-size: 24px;
}

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