input[name="postal_code"]::-webkit-calendar-picker-indicator {
  display: none !important;
}

input[name="postal_code"]::-webkit-outer-spin-button,
input[name="postal_code"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[name="postal_code"] {
  -webkit-appearance: none;
  -moz-appearance: textfield;
}