App Setup Step 3:- Customize cart.

Step 1: Click 'Customize' in the left menu or go to 'App Setup' on the Dashboard and select 'Customize Cart.' Then, click the 'Go to Customize' button on the right side. 

Step 2: On the 'Slide Cart Customize' page, you'll find two options: 'Widget' and 'Color Setting.' In 'Widget,' adjust slide cart settings like upsell discounts, progress bar, product upsell options, free gift, free shipping bar, and shipping protection. In 'Color Setting,' customize the cart colors to your preference.