#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.8);
    width: 100%;
    height: 100vh;
}
#closeBtn, #prevBtn, #nextBtn  {
    color: #ffffff;
    position: absolute;
    top: 0;
    display: flex;
    align-items: center;
    cursor: pointer;
}
#closeBtn {
    right: 0;
    padding: 12px;
    z-index: 9999;
}
#prevBtn, #nextBtn {
    height: 100vh;
    padding: 5px;
    z-index: 9998;
}
#prevBtn {
    left: 0;
}
#nextBtn {
    right: 0;
}
#counter {
    position: absolute;
    bottom: 10px;
    right: 20px;
    color: #ffffff;
    font-size: 12px;
    z-index: 9999;
}
#lightbox img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    position: relative;
}
#thumb-img {
    filter: blur(10px);
}
#next-img, #prev-img {
    display: none;
}
.hidden {
    display: none;
}