.sr-hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.sr-visible {
  opacity: 1;
  transform: translateY(0);
}
img.sr-hidden {
  transform: scale(0.97);
}
img.sr-visible {
  transform: scale(1);
}