/* The overlay background */
#lightbox-overlay {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* The enlarged image */
#lightbox-img {
    max-width: 90%;
    max-height: 90%;
    border: 3px solid white;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

/* Visual cue for the user */
table img {
    cursor: zoom-in;
    transition: opacity 0.2s;
}

table img:hover {
    opacity: 0.8;
}