@keyframes pulse {
    0% {
        transform: scale(1);
    }

    16.5% {
        transform: scale(1.2);
    }

    33% {
        transform: scale(1);
    }

    49.5% {
        transform: scale(1.2);
    }

    66% {
        transform: scale(1);
    }

}


.pulse:hover>.pulse-child {
    animation: pulse 1.2s infinite
}