.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  display: block;
  margin: 10% auto;
  max-width: 500px;
  background-color: #fff;
  padding: 20px;
  text-align: center;
  position: relative;
}

.modal img {
  max-width: 100%;
  height: auto;
}
.close {
  position: absolute;
  top: 10px;
  right: 10px;
  color: #000;
  font-size: 24px;
  cursor: pointer;
}