The Repository includes Style files or Styling html documents using CSS3. Cascading Style Sheets (CSS) is a style sheet language used for describing the look and formatting of a document written in a markup language. CSS3 is a latest standard of css earlier versions(CSS2). The main difference between css2 and css3 is follows −

Media Queries Namespaces Selectors Level 3 Color CSS3 modules CSS3 is collaboration of CSS2 specifications and new specifications, we can called this collaboration is module. Some of the modules are shown below −

Selectors Box Model Backgrounds Image Values and Replaced Content Text Effects 2D Transformations 3D Transformations Animations Multiple Column Layout User Interface