.case-card img {
  filter: saturate(.78) contrast(1.06) brightness(.76);
  image-rendering: auto;
}

.case-card:hover img {
  transform: scale(1.025);
  filter: saturate(1) contrast(1.03) brightness(.88);
}

.training-image img {
  filter: grayscale(.22) contrast(1.05) brightness(.76);
}