ul.sgallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, 100px);
    grid-auto-rows: 75px;
    gap: 4px;
    padding: 1px 0;
}

ul.sgallery:empty {
    padding: 0;
}

ul.sgallery li {
    min-width: 100px;
    min-height: 75px;
    margin: 0;
    padding: 0;
    background: var(--form-button);
    display: flex;
    align-items: center;
    justify-content: center;
}