@keyframes shake{0%,to{transform:translate(0)}25%,75%{transform:translate(7px)}50%{transform:translate(-7px)}}.error-message{color:red;animation:shake .5s ease-in-out 1.5;font-size:12px}.success-message{color:green;animation:shake .5s ease-in-out 1.5;font-size:12px}