This project shows a simple way how you can use Grid container and item from Material UI for React to create a responsive two column page that in this case serves for the purpose of Shoppig Cart. In the left side there is a list of the items rendered and in the left side a simple elevated Card components shows the Order Summary.

Live Demo here: https://eh27f.csb.app/

If you have any ideas to enrich this interface or make it cooler pull requests are very welcomed.

Thanks to MaCadiz that replied to this question (https://stackoverflow.com/questions/65147684/how-to-make-a-material-ui-grid-element-sticky/65154285#65154285) on Stackoverflow to add more features to the shopping cart.