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

.modal-img:hover {
  opacity: 0.7;
}

#modal-container {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1;
  padding-top: 60px;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
}

#modal-frame {
  background: white;
  margin: auto;
  display: block;
  box-sizing: border-box;
  animation-name: zoom;
  animation-duration: 0.6s;
  object-fit: contain;  /* delete if server side issue solved */
  max-height: 800px;  /* delete if server side issue solved */
  width: 1000px;  /* delete if server side issue solved */
}

#modal-caption {
  margin: auto;
  display: block;
  box-sizing: border-box;
  text-align: center;
  background: rgb(0, 120, 255);
  color: white;
  padding: 20px;
  height: 100px;
  width: 1000px;  /* delete if server side issue solved */
  animation-name: zoom;
  animation-duration: 0.6s;
}

@keyframes zoom {
  from {transform: scale(0)}
  to   {transform: scale(1)}
}