§ 7-702 Districts. For any or all of said purposes the board of trustees may divide the village into districts of such number, shape and area as may be deemed best suited to carry out the purposes of this article; and within such districts it may regulate and restrict the erection, construction, reconstruction, alteration, repair or use of buildings, structures or land. All such regulations shall be uniform for each class or kind of buildings throughout each district but the regulations in one district may differ from those in other districts.