.grid {

    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 4.5rem;
    margin: 0;
    padding: 0;
    list-style: none;

}
@media (max-width: 767px) {
    .grid {

        grid-template-columns: 1fr;
    
    }
}