.project-images {
    margin: 30px 0;
    position: relative;
}
.project-images ul {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1em;
    list-style-type: none;
}
.project-images ul li {
    width: 100%;
    height: 100%;
}
.project-images ul li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (min-width: 1024px) {
    .project-images ul {
        grid-template-columns: repeat(3, 1fr);
    }
}