.slideshow {
    height: 400px;
    object-fit: cover;
}

.hd {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 104px;
    transition: height .3s, background .3s, box-shadow .3s;
}

.logo img {
    width: 180px;
    height: 50px;
    object-fit: contain;
}