.phone-field {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.phone-field .phone-country {
  flex: 0 0 185px;
  min-width: 0;
  border: 1px solid #e1e1e1;
  border-right: 0;
  border-radius: 4px 0 0 4px;
  background: #fff;
  color: #333;
  padding: 0 10px;
  font-size: 14px;
}

.phone-field .phone-number {
  flex: 1 1 auto;
  min-width: 0;
  border-radius: 0 4px 4px 0;
}

.phone-field .phone-number.error {
  border-color: #e74c3c;
}

@media (max-width: 480px) {
  .phone-field .phone-country {
    flex-basis: 145px;
    padding: 0 6px;
    font-size: 13px;
  }
}