@keyframes tada { 
  0%, 100% { transform: scale3d(1, 1, 1); }
  10%, 20% { transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg); }
  30%, 50%, 70%, 90% { transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg); }
  40%, 60%, 80% { transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg); }
}
.tada { animation-name: tada; }