:root {
  /* animation.1 */
  --transition-duration: 100ms;
  /* animation.2 */
  --transition-easing: ease-out;
}

/* login.31, controls.15 */
@keyframes shake {
  0%, 100% { left: 0; }
  14.29%, 42.86%, 71.43% { left: -3px; }
  28.57%, 57.14%, 85.71% { left: 3px; }
}