Quick Answer
What is CSS?
CSS is the style language used to visually design and lay out web pages.
Programming
CSS
Also known as: Cascading Style Sheets
By Glintr Editorial TeamReviewed by Glintr Learn ReviewersUpdated 5 min readArea: Programming
Definition
CSS (Cascading Style Sheets) controls how HTML content is presented — colours, typography, spacing, layout and responsiveness. Modern layouts commonly use Flexbox and Grid.
Related Concepts
- HTMLHTML is the markup language used to define the structure and content of a web page.
- JavaScriptJavaScript is the programming language of the web, running in every modern browser.
- Web DevelopmentWeb Development is the practice of building websites and web applications — front-end interfaces, back-end services and the systems that connect them.