img:hover {
    cursor: pointer;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
}

.overlay img {
    display: none;
    max-width: 80%;
    max-height: 80%;
}