.ringing {
animation: tilt-n-move-shaking 0.35s infinite;
}

@keyframes tilt-n-move-shaking {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(5px, 5px) rotate(5deg); }
    50% { transform: translate(0, 0) rotate(0eg); }
    75% { transform: translate(-5px, 5px) rotate(-5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}