In this South End dining room for a young family of four, Jocelyn Chiappone married the couple’s disparate tastes — she favors traditional and he leans modern — by channeling Art Deco style. “The traditional piece is the table, while the chairs have modern appeal,” says Chiappone, principal of Digs Design Company. From there, she layered in circa-1920 details, such as the radial patterning of the console, the