The $ 2,015 Club World sale fares apply from BA's US gateways like San Francisco, Atlanta, New York, Los Angeles, Chicago, Washington and Boston for travel from November 16, 2015 through August 31, 2016 (although some blackout dates
apply on certain routes).
Another method is CSS3 media queries — adding a mobile specific style sheet to
apply certain properties for
certain devices, so you don't have to go the more expensive
route of adapting the content
on your server.