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CSS is a language that specifies the presentation and styling of HTML or XML documents. Learn about its syntax, selectors, rules, properties, and features, as well as its history and applications.
Learn how web colors are specified by RGB values, hexadecimal codes, or common names in HTML and CSS. See the list of basic and extended colors, and how to convert between different color systems.
HTML is the standard markup language for web pages, defined by the W3C and ISO. Learn about its origins, elements, tags, attributes, versions and related technologies such as CSS, JavaScript and HTML5.
W3Schools is a freemium educational website for learning coding online, launched in 1998 by Refsnes Data in Norway. It offers courses, tutorials, templates, and a live editor for various web technologies, such as HTML, CSS, JavaScript, Python, and more.
Learn about the tools and techniques used to create the graphical user interface of a website, such as HTML, CSS, JavaScript, and WebAssembly. Find out the goals and challenges of front-end development, such as accessibility, performance, and speedy development.
Learn about the history and usage of X11 color names, a text file that maps strings to RGB values on the X Window System. Compare the X11, W3C and web colors lists and see examples of color names with clashing or multiple definitions.
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Foundation is a free and open source framework for building responsive web sites and applications with HTML, CSS, Sass and JavaScript. It offers a grid system, UI components, templates, and code snippets for various devices and browsers.