.div_modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0px;
  top: 0px;
  padding: 3%;
  margin: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
}

/* Add Animation - Zoom in the Modal start */

.div_modal {
  animation-name: zoom;
  animation-duration: 0.6s;
}

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

  to {
    transform: scale(1);
  }
}

/* Add Animation - Zoom in the Modal end */

#div_modal_sub {
  display: block;
  width: auto;
  height: 90vh;
  margin: auto;
  border-radius: 13px;
  border: 5px solid #ffffff;
  background-color: white;
  overflow: auto;
}

.div_modal .my_close_modal_btn {
  top: 10px;
  right: 20px;
}