Ishara

Nov 20, 2022

Introduction to CSS

Cascading Style Sheets (CSS) is a language used to describe the presentation of a document written in or (including XML dialects such as , or ). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.

CSS is among the core languages of the open web and is standardized across Web browsers according to . Previously, the development of various parts of CSS specification was done synchronously, which allowed the versioning of the latest recommendations. You might have heard about CSS1, CSS2.1, or even CSS3. There will never be a CSS3 or a CSS4; rather, everything is now CSS without a version number.

After CSS 2.1, the scope of the specification increased significantly and the progress on different CSS modules started to differ so much, that it became more effective to . Instead of versioning the CSS specification, W3C now periodically takes a snapshot of and individual modules progress. CSS modules now have version numbers, or levels, such as .