.carousel-inner img {
    -webkit-filter: grayscale(90%);
    filter: grayscale(90%); /* make all photos black and white */ 
    width: 100%; /* Set width to 100% */
    margin: auto;
}

.carousel-caption h3 {
    color: #fff !important;
}

@media (max-width: 600px) {
    .carousel-caption {
        display: none; /* Hide the carousel text when the screen is less than 600 pixels wide */
    }
}