This is a really fun upload button which has been elegantly designed. Designer: Roman Bulah Source: Dribbble

Cloud Upload Button

These UI elements may not have the same shadow and 3D effects we usually see but they look clean and make good use of padding. Designer: David Kim Source:  Dribbble

Clean Reader Elements

This shows buttons that are bright and bold can stand out on a dark background. Designer: Ryan Johnson Source: Dribbble

Blue Twitter Button

This power button shows how lighting and can be used to give the button a 3D look that beckons to be pushed. Designer: Pontus Johansson Source: Dribbble

Power Button

This is a great example of dark ui elements done correctly. Designer: Lukas Majzlan Source: Dribbble

Play Button