.gallery_id_insta_feed .media_d {
  display: block !important;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px;
  overflow: hidden;
  background: #000000e0;
  opacity: 0;
  transition: 0.5s;
}
.gallery_id_insta_feed .box_inner:hover .media_d {
  opacity: 1;
}