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The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.
CSS (Cascading Style Sheets) is used to style and layout web pages — for example, to alter the font, color, size, and spacing of your content, split it into multiple columns, or add animations and other decorative features.
MDN Web Docs is free-to-use resource on which we document the open web platform. Our mission is to provide developers with the information they need to easily build projects on the web platform. This is the landing page for the MDN Web Docs project itself. Here you'll find guides on how the site works, how we do our documentation, the ...
MDN Web Docs, previously Mozilla Developer Network and formerly Mozilla Developer Center, is a documentation repository and learning resource for web developers. It was started by Mozilla in 2005 as a unified place for documentation about open web standards, Mozilla's own projects, and developer guides.