It has 4 main styles such as Defualt, Flat, 3D, and Metro. You can abstract various buttons from the change of sizes and borders of those styles.
Three types of sizes such as Small, Meduim, and Large.
4 types of Border Radius such as Rectangle, Default, Bordered, Circle. And these can work on whole types like Flat, 3D, Metro and Default.
Unlimited color variation, and can be used on whole Styles of Button.