/* Default styles */
#gigs {
    background-image: url('images/resize-Kevin\'s band-12.jpg');
    background-position: top;
    filter: grayscale(100%);
}

/* Media query for narrow screens */
@media (max-width: 768px) {
    #gigs {
        background-image: url('images/resize-Kevin\'s guitar.jpg');
    }
}