Hello,
Go to Theme Options > Custom CSS and add the following code
1. .woocommerce-checkout .order-review .payment_methods li > label { color: #035a03; }
2. .woocommerce-checkout .shop_table .order-total { border-bottom: 1px solid #dddddd; }
3. .woocommerce-checkout #billing_postcode { color: red; }
Regards
