Question: Which of the following is the first CSS specification to become an official w3c recommendation?
A CSS1
B CSS2
C CSS2.1
D CSS3
Answer: CSS1
| Aspect | Description |
| CSS1 | · Published on December 17, 1996.
· The first CSS specification to become an official W3C recommendation. · Introduced basic styling features for web documents, including fonts, colors and text formatting. |
| CSS2 | · Published as a W3C Recommendation in May 1998.
· Expanded on CSS1, introducing features for positioning, layers, and improved styling capabilities. · CSS2.1 was created as a subset of CSS2, emphasizing features that were well-supported by browsers. |
| CSS2.1 | · Published on June 8, 2011.
· A revision of CSS2 with some features removed or deprecated to increase interoperability and browser support. · Focused on features that were well-implemented by browsers. |
| CSS3 | · Not a single specification but a collection of modules, each addressing different aspects of styling and layout.
· Introduces advanced styling capabilities, such as transitions, animations and advanced layout techniques. |