.buruburu {
    display: inline-block;
    animation: hurueru .1s  infinite;
}

@keyframes hurueru {
    0% {transform: translate(0px, 0px) rotateZ(0deg)}
    25% {transform: translate(2px, 2px) rotateZ(1deg)}
    50% {transform: translate(0px, 2px) rotateZ(0deg)}
    75% {transform: translate(2px, 0px) rotateZ(-1deg)}
    100% {transform: translate(0px, 0px) rotateZ(0deg)}
}