.g-recaptcha {
  margin: 15px 0;
  display: flex;
  justify-content: center;
}

.g-recaptcha-error {
  border: 1px solid #f87171;
  padding: 2px;
  border-radius: 4px;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-5px);
  }
  40%,
  80% {
    transform: translateX(5px);
  }
}

@media (max-width: 640px) {
  #newsletter-form > div:first-child {
    flex-direction: column;
  }

  .g-recaptcha {
    transform: scale(0.85);
    transform-origin: center;
    margin: 10px 0;
  }
}