.testimonial_box .hover__image {
  opacity: 0;
  transform: scale(1);
  -moz-transform: scale(1);
  -webkit-transform: scale(1);
  transition: opacity 0.25s ease, transform 0.25s ease;
  -moz-transition: opacity 0.25s ease, transform 0.25s ease;
  -webkit-transition: opacity 0.25s ease, transform 0.25s ease;
}
.testimonial_box:hover .hover__image {
  opacity: 1;
  transform: scale(1.1);
  -moz-transform: scale(1.1);
  -webkit-transform: scale(1.1);
}