Glossary keyword - CSS


Cascading Style Sheets or CSS is a language deployed in style sheets to present the design of markup language sheets documents in HTML. Besides the likes of JavaScript and HTML, CSS is a pivotal technology of the World Wide Web. CSS is built to allow developers to separate elements of content from the presentation. These elements include fonts, layout, and colors. With this separation, your content becomes more accessible, flexible, and easier to control. Also, the specifications of the characters of the presentation allow you to share the same formatting with multiple web pages.

Uses of CSS

Developers use CSS to achieve this by specifying the applicable CSS in a different “.css” file. Thereby reducing the repetition and complexity of your structural content. Also, this separation of content and formatting makes it possible to render the same markup page in different styles. The page renders in different methods such as in print, on Braille-based tactile units, by voice (screen reader), and on-screen. Furthermore, CSS covers alternate formatting for mobile devices that display the same content. Despite all these abilities, the syntax of CSS is simple with several common English Keywords. These keywords help specify the various names of the different style properties.

The Origins of Cascading                       

The origins of the name cascading traces back to the definite priority scheme that decides the style rule to use if two or more rules match a specific element. Usually, the likelihood to predict this priority scheme is very high. The World Wide Web Consortium (W3C) maintains the CSS specifications. In 1998, the RFC 2318 recorded the use of  CSS with the Internet media type (MIME type). Hence, all CSS files get a free CSS authentication service from W3C. Moreover, apart from HTML, there are other markup languages like XUL, XHTML, SVG, and plain XML support the use of CSS. 

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