An item will be added in the Shopping Cart once customer clicks on the Add to Cart button and right after that it will show the plus/minus buttons. Customer easily see the quantity of an item in the Cart and he can change it there itself.
Sopping Cart View is available on the shop page. Customer see the added items and it's total amount on the shop page itself, no need to go on Shopping Cart page.
We have added the scroll bar for Shopping Cart to make it easy for your eyes.
Customer easily move process to checkout from the Shop Page.