.slider-1{
    height: 100vh;
    margin-top: 77px;
}

.section-1 .swiper-container .swiper-slide .img-box video, .section-1 .swiper-container .swiper-slide .img-box img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}