.lightbox {
    position: fixed;
    z-index: 900;
    inset: 0;
    pointer-events: none;
    background-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    /* display: grid; */
    place-items: center;
    transition: opacity 0.5s ease;
    overflow: scroll;
  }
  
  .lightbox.active {
    opacity: 1;
    pointer-events: auto;
  }
  
  #lightbox img {
    max-width: 90%;
    max-height: 70%;
  }
  

  #gallerynextbutton{
    position:absolute;
    bottom:100px;
    z-index: 1001;
  }