We can argue for a long time about what is style in interior design. Well, the basis of any style is idea. Interior design is not just a combination of designer's techniques, but it is also a reflection of human spirit. That's why so easy influence on it. This is the reason why you can't find really clear realization of any of interior styles in all over the world. So, the personal experience, professionalism, architect knowledges and good taste determine what will be style in interior design.