.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
}

.lightbox-content {
    display: block;
    margin: auto;
    max-width: 80%;
    max-height: 80%;
}

.close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: white;
    font-size: 40px;
    cursor: pointer;
}

.gallery-img {
    cursor: pointer;
    transition: 0.3s;
}

.gallery-img:hover {
    opacity: 0.8;
}