CSS variation three, or CSS 3, is the latest and most advanced cascading style sheet (CSS) and was built using the foundations of CSS variation one and two. This variation first began to be used in 1999. What sets this version apart from the other two is the fact that it uses modules. Modules are a group of different and separate documents.
These different and separate modules are used to enhance and add more capabilities and features to what users could do with CSS variation two. A user can now do much more with a free CSS template than they could do before. Though CSS variation number three came out in 1999, improvements have been made to the variation to keep it functioning and up to date.
Each version of CSS is placed in a category including Candidate Recommendation or Proposed Recommendation status. Since CSS variation three is made up of different modules, different modules have different statuses. Sometimes a module or variation changes status until it is worked on and improved.