#field_1_3 option[value="Green Gate"] {
  background-color: #d9eee3;
  color: #376b50;
}

#field_1_3 option[value="Yellow Gate"] {
  background-color: #fff3cf;
  color: #806b2c;
}

#field_1_3 option[value="Brown Gate"] {
  background-color: #f3e1d7;
  color: #79513e;
}