.image-choice-show-jumping img {
  object-position: 50% 8%;
}

.image-choice-dressage img {
  object-position: 50% 54%;
}

@media (max-width: 640px) {
  .image-choice-show-jumping img {
    object-position: 50% 8%;
  }

  .image-choice-dressage img {
    object-position: 50% 53%;
  }
}