.fly-img {
  position: fixed;
  z-index: 999999;
  pointer-events: none;
}

.fly-cart-highlight {
  animation: flyGlow 0.5s ease;
}

@keyframes flyGlow {
  0% { transform: scale(1); box-shadow: 0 0 0 rgba(255,193,7,0); }
  50% { transform: scale(1.15); box-shadow: 0 0 20px rgba(255,193,7,1); }
  100% { transform: scale(1); box-shadow: 0 0 0 rgba(255,193,7,0); }
}