Returns Manager was built to be 100% customizable. You can customize quite a bit without any CSS knowledge by using the built in tools. Beyond that, you can customize everything by injecting CSS.
To customize the CSS in Returns Manager, follow these steps:
- From "Shopify Admin", select Apps.
- Select Returns Manager by Bold.
- Select Settings.
- Select Display Settings.
- Under Custom CSS input the CSS code.
- Select Save.