CSS3 is the latest standard for CSS. CSS3 is completely backwards-compatible with earlier CSS versions.
Some of the most significant new features are:
Border radius – allows us to create rounded corners for elements.
Border images – allows us to specify an image as the border around an element.
Multiple backgrounds –applies multiple backgrounds to elements.
Animations and effects, and much more!
● Media Queries
● Selectors Level 3
CSS3 is collaboration of CSS2 specifications and new specifications, we can called this collaboration is module. Some of the modules are shown below :
● Box Model
● Image Values and Replaced Content
● Text Effects
● 2D Transformations
● 3D Transformations
● Multiple Column Layout
● User Interface