Animate email input

Example

input.email_validate:invalid {
      animation: shake 0.2s ease-in-out 0s 3;
      box-shadow: 0 0 0.3em 0.05px red;
}
 
@keyframes shake {
      0% { margin-left: 0rem; }
      25% { margin-left: 0.5rem; }
      75% { margin-left: -0.5rem; }
      100% { margin-left: 0rem; }
}

.rw-Collapsible-label {
    flex-grow: 1;
    font-size: 12px;
}