@keyframes bounceOut {

    20% {
    transform: scale3d(0.9, 0.9, 0.9);
    }

    50%, 55% {
    opacity: 1;
    transform: scale3d(1.1, 1.1, 1.1);
    }

    100% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
    }

}

.bounceOut {
animation-duration: 0.75s;
animation-name: bounceOut;
}