Abstract.

Abstraction is a very creative artform due to the freedom it gives the designer. Abstract art can be given a meaning or have no meaning at all or it can be interpreted in any way the viewer wishes or it can simply be used as a good looking visual effect. As such, this style is probably the most diverse in its creativity meaning that designs can be unique to themselves and be more memorable as a result. The freedom of abstract design is used to stunning effect on the web.