.swiper.mySwiper3{
    width: 80%;
    height: 100%;
    margin: 50px auto 0;
}

.mySwiper3 .swiper-slide img{
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media(max-width: 450px){
    .swiper.mySwiper3{
        width: 90%;
        margin: 30px auto 0;
    }
}