#checkout #opc_main.customer-not-logged #opc_step_my_account_body .tabs-view .tab-content {
    background: transparent !important
}
#checkout #opc_main .opc-promo-code__form {
    display: inline-flex;
}
#checkout #opc_main #opc_cart .cart-summary-products #cart-summary-product-list .media-list .media .product-discount {display:none}