.se-pre-con {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0.6;
    background-color: #c0c0c0;
}
.image_loading_screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.spinner {
    height: 120px;
    width: 120px;
    border: 6px solid white;
}

ul.photo_navigation_bar {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: transparent;
    border: 1px solid #FFF;
  }
  
  ul.photo_navigation_bar li {
    float: left;
    border-right: 1px solid #bbb;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    cursor: pointer;    
  }

  ul.photo_navigation_bar li:hover {
    color: #ffcc00;
  }

    .photo_navigation_bar.active {
        background-color: #ff0000;
        font-weight: 600;
    } 
    
        .photo_navigation_bar.active:hover {
            background-color: #ff0000;
            color:white;
        }   
  
  ul.photo_navigation_bar li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  /* Change the link color to #111 (black) on hover */
  ul.photo_navigation_bar li:hover {
    background-color: #111;
  }

  /* Thumbnail Images */
  .thumbnailpreview {
    cursor:pointer;
  }
   
  .thumbnailpreview:hover {
    border: 1px solid #FFF;
  }

  .thumbnailpreview.active {
    border: 1px solid #FFCC00;
  }
    .thumbnailpreview.active:hover {
        border: 1px solid #FFCC00;
    }