@keyframes headShake {
    0% {
        transform: translateX(0)
    }
    6.5% {
        transform: translateX(-6px) rotateY(-9deg)
    }
    18.5% {
        transform: translateX(5px) rotateY(7deg)
    }
    31.5% {
        transform: translateX(-3px) rotateY(-5deg)
    }
    43.5% {
        transform: translateX(2px) rotateY(3deg)
    }
    50% {
        transform: translateX(0)
    }
}

.headShake {
    animation-timing-function: ease-in-out;
    animation-name: headShake
}