@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-30px);
  }
  60% {
    transform: translateY(-15px);
  }
}

.bounce-ball {
  width: 50px;
  height: 50px;
  background: radial-gradient(circle at 30% 30%, #ff6b6b, #ee5a52);
  border-radius: 50%;
  margin: 20px auto;
  animation: bounce 2s infinite;
  box-shadow: 0 5px 10px rgba(0,0,0,0.2);
}