CSS (short for Cascading Style Sheets) is a language used to describe presentation semantics (i.e., appearance and formatting). The most common use of Cascading Style Sheets is for editing web pages written in HTML and XHTML. CSS can also be used for any kind of XML document, including plain XML, SVG, and XUL.

CSS is primarily designed to separate documents from their presentation, including elements such as layout, colors, and fonts. This can improve content accessibility, flexibility, and control of presentation specifics.

Benefits of CSS:

• separation of content from layout and formatting
• consistency across the page
• Independent bandwidth requirements
• easy maintenance of layout and formatting
• page reformatting
• availability of