.banner-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    object-position: center;
    opacity: 0.4;
    display: block;
    -webkit-filter: grayscale(100%); /* Safari 6.0 - 9.0 */
    filter: grayscale(100%);
    margin-top: 5rem;
    margin-bottom: 5rem;
}