A luxurious lifestyle is not about a huge house with lots of rooms and furniture and fixtures. It is all about quality things that are inside it, and the charm and personality of its decor. Even if you are living in a small house, you can make it very cozy and elegant through clever interior design. Interior design is a process where one can shape the experience of the interior space and manipulate its available volume. A small home can look bigger, if you just know how to utilize all the space and use the appropriate furniture and accessories. Actually, there are three basic guidelines for a successful interior design – whether your room is very small or very big. Interior design can only be considered successful if it is functional expresses a mood and exhibits a sense of harmony. A room is considered functional if it serves its intended purpose. Keep in mind that no matter how beautiful your room is, it will be useless if it does not fulfill the function you need it for. Take your bedroom for example; if it is not a convenient place to sleep in, it fails the guideline test. Your room should express a mood. Mood refers to the general look or feeling that you want your room to give off. As you create your room, you have to see to it that every aspect maintains the same mood. The furniture, the colors and the window and floor treatments should be consistent with this mood. And lastly, the room should exhibit a sense of harmony. This is attained when all the separate elements in a room work together in harmony. All elements should be harmonious in mood, scale, quality and color. In every interior design project that you do, you must follow these guidelines. They will guide you in attaining your interior design objectives, no matter how big or small they are.