In a Tenafly, New Jersey, bathroom, the Art Deco allure of mirror and marble gets a cool, sleek update from designer Nancy Epstein. Charleston antiqued mirror adds a touch of mystery to a room wrapped in Calacatta Gold marble and with inserts of Arpell Bianco mosaic tile, all by Artistic Tile. Medicine cabinets by Robern accented. Sconces by Visual Comfort. Marcelle faucet by Water­decor. Restoration Hardware towels.