.primary_img img {
    max-height: 290px;
  aspect-ratio: 4 / 3;
}
.secondary_img img {
    max-height: 290px;
     aspect-ratio: 4 / 3;
}
@media only screen and (max-width: 767px) {
  .secondary_img img  {
    min-height: 300px !important;
  } 
  .primary_img img   {
    min-height: 300px !important;
  }
}