add wood wallpaper to the kick plates of the stairs. Those rolls are expensive but you would only need one. Not practical with white treads though, it will be stuffed up from black shoe soles in no time.
Elegant pale gray covered terrace, veranda, patio - with the elegant storage for outdoor garden items! This is the way to do outdoor storage! Also -- notice the long metal drain too -- excellent idea for stormwater and rainwater control!