themes-wordpress/varia/sass/vendors/woocommerce/pages/_checkout.scss

/**
 * Checkout page
 */
body[class*="woocommerce"] #page { // adding #page here to override default wc styles without !important

	.woocommerce-order h2 {
		@include font-family( map-deep-get($config-global, "font", "family", "primary") );
		font-size: map-deep-get($config-global, "font", "size", "lg");
		font-weight: bold;
	}

	.woocommerce-order-overview.order_details {
		display: flex;
		justify-content: space-between;
		align-content: flex-start;
		align-items: stretch;
		border: 1px solid map-deep-get($config-woocommerce, "table", "border", "color");

		li {
			border: none;
			@include font-family( map-deep-get($config-global, "font", "family", "primary") );
			font-size: map-deep-get($config-global, "font", "size", "sm");
			margin-right: 0;
			padding: map-deep-get($config-woocommerce, "table", "padding");
			text-transform: none;

			&.email {
				word-break: break-word;
			}

			&:not(:last-child) {
				border-right: 1px solid map-deep-get($config-woocommerce, "table", "border", "color");
			}

			strong {
				@include font-family( map-deep-get($config-global, "font", "family", "secondary") );
				font-size: map-deep-get($config-global, "font", "size", "md");
				line-height: map-deep-get($config-global, "font", "line-height", "heading");
			}
		}

		&:before,
		&:after {
			content: none !important;
			display: none;
		}
	}

	.woocommerce-form-coupon-toggle + .checkout_coupon {
		margin-bottom: map-deep-get($config-global, "spacing", "vertical");
	}

	form.checkout_coupon,
	form.login,
	form.register {
		border-color: map-deep-get($config-woocommerce, "table", "border", "color");
		padding: map-deep-get($config-woocommerce, "table", "padding");
		margin-top: inherit;
		margin-bottom: inherit;
		text-align: left;
		border-radius: 0;
	}

	ul.order_details {
		padding-left: 0;
	}

	.woocommerce-customer-details address {
		border-radius: 0;
		border-color: map-deep-get($config-global, "color", "border", "default");
		border-right-width: 1px;
		border-bottom-width: 1px;
	}

	#add_payment_method {
		table.cart {
			.product-thumbnail {
				min-width: map-deep-get($config-global, "spacing", "horizontal");
			}

			img {
				width: #{2 * map-deep-get($config-global, "spacing", "vertical")};
			}

			td.actions .coupon .input-text {
				border-color: map-deep-get($config-global, "color", "border", "default");
				padding: #{0.5 * map-deep-get($config-global, "spacing", "unit")};
				margin: 0 map-deep-get($config-global, "spacing", "unit") 0 0;
			}
		}
	}

	.wc-proceed-to-checkout {

		padding: map-deep-get($config-global, "spacing", "vertical") 0;

		a.checkout-button {
			margin-bottom: map-deep-get($config-global, "spacing", "unit");
			font-size: map-deep-get($config-global, "font", "size", "md");
			padding: map-deep-get($config-global, "spacing", "unit");
		}

		a.wcppec-checkout-buttons__button {
			padding-top: 0;
		}
	}

	.checkout .create-account small {
		font-size: map-deep-get($config-global, "font", "size", "xs");
		color: map-deep-get($config-global, "color", "foreground", "light");
	}

	#payment {
		background: transparent;
		border: map-deep-get($config-woocommerce, "table", "border", "width") solid map-deep-get($config-woocommerce, "table", "border", "color");
		border-radius: map-deep-get($config-woocommerce, "table", "border", "radius");

		ul.payment_methods {

			padding: map-deep-get($config-woocommerce, "table", "padding");
			border-bottom-color: map-deep-get($config-woocommerce, "table", "border", "color");

			li {
				line-height: map-deep-get($config-global, "font", "line-height", "body");

				input {
					margin-right: map-deep-get($config-global, "font", "line-height", "body");
				}
			}
		}

		div.form-row {
			padding: map-deep-get($config-woocommerce, "table", "padding");
			margin-bottom: 0;
		}

		div.payment_box {
			padding: #{0.5 * map-deep-get($config-woocommerce, "table", "padding")};
			margin-bottom: #{0.5 * map-deep-get($config-woocommerce, "table", "padding")};
			margin-top: #{0.5 * map-deep-get($config-woocommerce, "table", "padding")};
			font-size: map-deep-get($config-global, "font", "size", "sm");
			font-weight: bold;
			border-radius: map-deep-get($config-woocommerce, "table", "border", "radius");
			line-height: map-deep-get($config-global, "font", "line-height", "body");
			background-color: map-deep-get($config-global, "color", "background", "dark");
			color: map-deep-get($config-global, "color", "foreground", "dark");

			input.input-text,
			textarea {
				border-color: map-deep-get($config-woocommerce, "table", "border", "color");
				border-top-color: map-deep-get($config-woocommerce, "table", "border", "color");
			}

			::-webkit-input-placeholder {
				color: map-deep-get($config-global, "color", "foreground", "light");
			}

			:-moz-placeholder {
				color: map-deep-get($config-global, "color", "foreground", "light");
			}

			:-ms-input-placeholder {
				color: map-deep-get($config-global, "color", "foreground", "light");
			}

			.woocommerce-SavedPaymentMethods .woocommerce-SavedPaymentMethods-tokenInput {
				margin-right: map-deep-get($config-global, "spacing", "unit");
			}

			.wc-credit-card-form {
				margin-top: map-deep-get($config-woocommerce, "table", "padding");
			}

			.wc-credit-card-form-card-number,
			.wc-credit-card-form-card-expiry,
			.wc-credit-card-form-card-cvc {
				font-size: map-deep-get($config-global, "font", "size", "lg");
				padding: #{0.5 * map-deep-get($config-woocommerce, "table", "padding")};
			}

			span.help {
				font-size: map-deep-get($config-global, "font", "size", "sm");
				color: map-deep-get($config-global, "color", "foreground", "light");
			}

			.form-row {
				margin: 0 0 map-deep-get($config-global, "spacing", "vertical");
			}

			p:last-child {
				margin-bottom: 0;
			}

			&::before {
				border-bottom-color: map-deep-get($config-global, "color", "background", "dark"); /* arrow size / color */
			}
		}

		.payment_method_paypal {

			.about_paypal {
				float: right;
				line-height: 52px;
				font-size: map-deep-get($config-global, "font", "size", "sm");
			}

			img {
				max-height: 52px;
				vertical-align: middle;
			}
		}
	}

	.woocommerce-terms-and-conditions {
		border-color: map-deep-get($config-woocommerce, "table", "border", "color");
	}

	.woocommerce-invalid #terms {
		outline-color: map-deep-get($config-global, "color", "alert", "error");
	}

	.checkout h3 {
		@include font-family( map-deep-get($config-global, "font", "family", "primary") );
		font-size: map-deep-get($config-global, "font", "size", "lg");
		font-weight: bold;
	}

	.woocommerce-terms-and-conditions {
		border-color: map-deep-get($config-woocommerce, "table", "border", "color");
	}

	.woocommerce-invalid #terms {
		outline-color: map-deep-get($config-global, "color", "alert", "error");
	}
}