Hi, this is probably a couple of miles from the French border. You should be able to get there on the distribus (
www.distribus.com), routes 4 or 7 (from Basel Schifflande). Tram 11 should get you from the Basel SBB to Schifflande (there may be other trams which go to Schifflande but I haven't checked).
I would think the bus stop you want is Rue de Seville, just before the Leclerc, and then you'll have to walk back a few hundred yards past the Intersport.
HTH