ul {

    width: 800px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;

    & > li {
        max-height: 200px;
        max-width: 200px;
        object-fit:contain;
        list-style-type: none;
    }
}

img {
    display: block;
    max-width: 100%;
}