How to Add Custom CSS Code to the uShopAid App

First, log in to your Shopify admin dashboard, as shown below:

Go to Online Store, find the theme currently in use, and click the Customize button.

Next, click the third icon on the left sidebar, as shown below:

Finally, find uShopAid (you can type ushopaid in the search bar), then paste your custom CSS code into the Custom CSS input field.

Click Save to apply the changes.