They didn't publish any code that is non-trivial to implement (and all but 1 line of code is specific to their actual data and styling), so there wouldn't be an

They didn't publish any code that is non-trivial to implement (and all but 1 line of code is specific to their actual data and styling), so there wouldn't be any license to worry about. This technique has also been published before (http://elvery.net/demo/responsive-tables/#no-more-tables http://elvery.net/demo/responsive-tables/#no-more-tables), so you're allowed to use the technique just as much as they are ;-)