.solution_container:hover .solution_img{
  opacity: 0;
  /* transform: rotateY(90deg); */
}
.solution_container:hover .solution_text{
  opacity: 1;
  /* transform: rotateY(0deg); */
}

.solution_text{
  opacity: 0;
  /* transform: rotateY(-90deg); */

  transition: all 0.3s ease-in-out;
}

.solution_img{
  opacity: 1;
  /* transform: rotateY(0deg); */

  transition: all 0.3s ease-in-out;
}