animate.css/source/tada.css

@-webkit-keyframes tada {
	0% {-webkit-transform: scale(1);}	
	10%, 20% {-webkit-transform: scale(0.9) rotate(-3deg);}
	30%, 50%, 70%, 90% {-webkit-transform: scale(1.1) rotate(3deg);}
	40%, 60%, 80% {-webkit-transform: scale(1.1) rotate(-3deg);}
	100% {-webkit-transform: scale(1) rotate(0);}
}

@-moz-keyframes tada {
	0% {-moz-transform: scale(1);}	
	10%, 20% {-moz-transform: scale(0.9) rotate(-3deg);}
	30%, 50%, 70%, 90% {-moz-transform: scale(1.1) rotate(3deg);}
	40%, 60%, 80% {-moz-transform: scale(1.1) rotate(-3deg);}
	100% {-moz-transform: scale(1) rotate(0);}
}

@-o-keyframes tada {
	0% {-o-transform: scale(1);}	
	10%, 20% {-o-transform: scale(0.9) rotate(-3deg);}
	30%, 50%, 70%, 90% {-o-transform: scale(1.1) rotate(3deg);}
	40%, 60%, 80% {-o-transform: scale(1.1) rotate(-3deg);}
	100% {-o-transform: scale(1) rotate(0);}
}

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

.tada {
	-webkit-animation-name: tada;
	-moz-animation-name: tada;
	-o-animation-name: tada;
	animation-name: tada;
}