.look-book-img img {
    padding: 8px;
    height: 600px;
    object-fit: cover;
}

@media only screen and (max-width: 768px){
    .look-book-img img {
        height: 450px;
    }
}

@media only screen and (max-width: 600px) and (min-width: 400px) {
    .look-book-img img {
        height: 387px;
    }
}