Bootstap 4 Card Deck

 A responsive card-deck has been demonstrated at https://codepen.io/migli/pen/gOOmYLb 

The accepted answer in the reference blog post at https://www.codeply.com/go/nIB6oSbv6q is also an interesting one, but it needs many more configurations.

Reference: https://stackoverflow.com/questions/36430816/bootstrap-4-card-deck-with-number-of-columns-based-on-viewport