@keyframes expandOpen {

    0% {
    transform: scale(1.8);
    }

    50% {
    transform: scale(0.95);
    }

    80% {
    transform: scale(1.05);
    }

    90% {
    transform: scale(0.98);
    }

    100% {
    transform: scale(1);
    }

}

.expandOpen {
animation-duration: 1.2s;
animation-timing-function: ease-out;
animation-name: expandOpen;
}