.newsletter-feedback {
  margin-top: 10px;
  padding: 10px 15px;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.4;
}
.newsletter-feedback--success {
  background: #e6f4ea;
  color: #1e6b34;
  border: 1px solid #a8d5b5;
}
.newsletter-feedback--error {
  background: #fdecea;
  color: #a12622;
  border: 1px solid #f1aeb5;
}