@keyframes tada {

    from,
    to {
        transform: scale3d(1, 1, 1)
    }

    10%,
    20% {
        transform: scale3d(.9, .9, .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
}