Full-Service Interior Designer including Kitchens and Bath Design and Custom Window Treatments. Commercial and Residential Designs. Casual Elegance offers professional residential design solutions that support your personal desires and budget embodied through the eyes of a professional. Karen’s solutions support professional practices for space planning to enhance the overall function of your space, while color theory and style provide harmony and unity throughout your selected areas. Your home will portray who you are with a casually elegant flair that sets you apart from the usual.