CSS is the language we use to style an HTML document. CSS describes how HTML elements should be displayed. This tutorial will teach you CSS from basic to advanced.
CSS - Wikipedia
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language such as HTML.
What's new in CSS 3. WHAT IS CSS? | by Sahil Dhawan | Medium
Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g., fonts, colors, spacing) to Web documents. CSS3 is the latest evolution of the Cascading Style Sheets language and aims at…