gallery_overlay.css

/* Gallery Overlay Styling */

div#lbOverlay {
  position: fixed;                        /* Overlay is fixed on screen */
  z-index: 1;                             /* Overlay sits on top of other content */
  width: 100%;                            /* Full width */
  height: 100%;                           /* Full height */
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.808);  
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Styles for the figure box within the overlay */
div#lbOverlay figure {
  display: block;
  width: auto;
  max-height: 90vh;
  overflow: auto;
}


/* styles for the images */
div#lbOverlay figure img {
  display: block;
  margin-right: auto;
  margin-left: auto;
  max-width: 100%;
  max-height: calc(80vh - 40px); /* fit within viewport - space for caption and padding*/
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.712), 0 0 0 1px rgba(0, 0, 0, 0.712);
  animation-name: zoom;      
  animation-duration: 0.8s;    
}

/* styles for the caption */
div#lbOverlay figure figcaption {
  text-align: center;
  font-size: 1.25em;
  color: rgb(199, 199, 199);
  margin-top: 10px;
  background-color: rgba(0, 0, 0, 0.774);
  animation-name: zoom;      
  animation-duration: 1s;   
  padding-top: 10px;
  padding-bottom: 20px;   
  margin-top: 10px;
  border-radius: 5px;
}

/* styles for the overlay close button */
div#lbOverlay div#lbOverlayClose {
  position: absolute;
  top: 20px;
  right: 40px;
  color: rgb(199, 199, 199);
  font-size: 40px;
  cursor: pointer !important;
  user-select: none;
}

/* hovering style for the modal window close button */
div#lbOverlay div#lbOverlayClose:hover {
  color: #a8a8a8;
  text-shadow: 3px 3px 0px black;
  cursor: pointer !important;
}

/* keyframe animation for the opening of the modal window figure and caption */
@keyframes zoom {
  from {transform:scale(0)}
  to {transform:scale(1)}
}


.no-scroll {
  overflow: hidden;
}


  /**********SMALL SCREENS*************/
  @media only screen and (min-width: 220px) and (max-width: 991px) {
    /* styles for the images */
    div#lbOverlay figure img {
      max-height: calc(90vh - 40px); /* fit within viewport - space for caption and padding */
      display: block;
      margin-left: 0;
    }
    
    /* styles for the overlay close button */
    div#lbOverlay div#lbOverlayClose {
      position: fixed;
      top: 30px;
      z-index: 2;
    }
  }