Limitations in Standard checkout mode
Due to limitations in the Shopify APIs, the discounted checkout prepared by Discount Ninja:
does not include a "return to cart" link, which is present on a standard checkout.
Additionally, the logo/brand name does not link to the home page.
This limitation applies to all situations where a discounted checkout is prepared by Discount Ninja using the Standard checkout mode.
What are my options?
If you are a Shopify Plus customer you can restore these links on an advanced checkout as follows:
Copy the content of the Discount Ninja checkout script here
Add the content to a script block before the end of the body (</body>) element:
[... copy the content from step 1 here ...]
Depending on how you want to align your logo, make sure that you replace "logo--left" with "logo--center" or "logo--right" in the script
Use Discount Code checkout mode
Alternatively, you can use the discount code checkout mode, which uses the standard checkout screen and automatically adds a generated discount code.
This can be done from Settings > Checkout options