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Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or other markup languages such as SVG. CSS describes how the structured elements in the document are to be rendered on screen, on paper, in speech, or on other media. The ability to adjust the document's presentation depending on the output medium is a key feature of CSS.
CSS is one of the core languages of the open Web and has a standardized W3C specification.
- Block formatting context
- A block formatting context is a part of a visual CSS rendering of a Web page. It is the region in which the layout of block boxes occurs and in which floats interact with each other.
- Getting started with CSS
- This tutorial introduces you to the basic features and language (the syntax) for Cascading Style Sheets (CSS). You use CSS to change the look of a structured document, such as a web page. The tutorial also includes sample exercises you can try on your own computer to see the effects of CSS and features that work in modern browsers.
- Underscores in class and ID Names
- Summary: The use of the underscore character in CSS can lead to major display problems in multiple browsers. Learn why this is so, and how to keep your sites from being bitten by this problem. This technical note examines the use of underscores in CSS, and why they should be generally avoided in most circumstances.
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