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

    14% {
        transform: scale(1.3)
    }

    28% {
        transform: scale(1)
    }

    42% {
        transform: scale(1.3)
    }

    70% {
        transform: scale(1)
    }
}

.heartBeat {
    animation-duration: 1.3s;
    animation-name: heartBeat;
    animation-timing-function: ease-in-out
}