As a domain expert in web technologies, I can explain that CSS stands for Cascading Style Sheets. It is a stylesheet language used for describing the presentation of a document written in HTML or XML (including various XML languages like SVG or XHTML). CSS not only helps to keep content and presentation separate from the structure, but it also allows for greater control and flexibility in the layout and appearance of web pages. CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript. It is designed to enable the separation of presentation and content, including layout. Its default syntax is a one-dimensional list of rules about elements, known in CSS as declarations, each consisting of a selector and a declaration block containing one or more property-value pairs. read more >>

Cascading Style Sheet (MIME) CSS is a plain text file format used for formatting content on web pages. CSS stands for Cascading Style Sheet and is used by web pages to help keep information in the proper display format.read more >>