This is a setting example for the Shopify theme "Dawn," which fixes the total amount and "Proceed to Checkout" button to the footer on the cart screen when viewed on a smartphone, in order to prevent cart abandonment as much as possible in stores where many items are purchased at once.
Example of setting the total amount and "Proceed to checkout" button to be fixed in the footer on the cart screen when viewed on a smartphone with the theme "Dawn"

How to set it up: Add a customized Liquid section to your cart screen and insert the code

