#billing_city_field select,
#billing_city_field .select2,
#shipping_city_field select,
#shipping_city_field .select2 {
    display: none;
}

#billing_city_field.form-row--select select,
#billing_city_field.form-row--select .select2,
#shipping_city_field.form-row--select select,
#shipping_city_field.form-row--select .select2 {
    display: block;
}

#billing_city_field.form-row--select input,
#shipping_city_field.form-row--select input {
    display: none;
}

.select2-container {
    width: 100% !important;
}