At first sight, the classic architecture of this Tudor-style home in University City captured the homeowners’ attention. From the arched front door to the sunroom’s original stained-glass doors, their first instinct was to preserve the charm of this house yet also add modern elements to reflect their own personal style. So when they were set to renovate, they called on Kathleen Matthews, an interior designer of 30 years at the award-winning Marcia Moore Design firm in St. Louis.