#sliders-per-view {
    margin: 0 auto;
}

.swiper {
    width: 100%;
    height: auto;
    margin-left: auto;
    margin-right: auto;
}

.swiper-slide {
    background-position: center;
    background-size: cover;
    /*width: 320px;*/
    height: auto;
    margin: 0 auto;
}

.swiper-slide img {
    display: block;
    width: 100%;
}

.swiper-thumbs {
    height: 20%;
    box-sizing: border-box;
    padding: 10px 0;
}

.swiper-thumbs .swiper-slide {
    width: 25%;
    height: 100%;
    opacity: 0.4;
}

.swiper-thumbs .swiper-slide-thumb-active {
    opacity: 1;
}

@media (max-width: 476px) and (orientation: portrait) {
    .swiper-thumbs .swiper-slide {
        opacity: inherit;
    }
}