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

#zoomModal {
  display: none;
  position: fixed;
  z-index: 999;
  padding-top: 40px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.9);
}

#zoomModal img {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 90%;
}

#zoomModal span {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}