@keyframes moveLeftRight {
  0%   { transform: translateX(0); }
  25%  { transform: translateX(-10px); }
  50%  { transform: translateX(10px); }
  75%  { transform: translateX(-10px); }
  100% { transform: translateX(0); }
}

/* Runs exactly 5 times when triggered */
.single_add_to_cart_button.animate {
  animation: moveLeftRight 0.6s ease-in-out 4;
}

/* Optional: Continuous wiggle */
.single_add_to_cart_button.loop {
  animation: moveLeftRight 0.8s ease-in-out infinite;
}