@keyframes pulse { 0%, 100% { opacity: 0.1; transform: scale(1); } 50% { opacity: 1; transform: scale(1.5); } } @keyframes fall { 0% { transform: translateY(-20px); opacity: 0; } 10% { opacity: 1; } 90% { opacity: 0.3; } 100% { transform: translateY(110vh); opacity: 0; } }