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e. Cascading Style Sheets ( CSS) is a style sheet language used for specifying the presentation and styling of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML ). [1] CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.
External links usually display an icon at the end of the link. CSS is used to check for certain filename extensions or URI schemes and apply an icon specific to that file type, based on the selected skin. [1] This page contains example URLs to demonstrate the link icons. The displayed icon only depends on the URL itself.
You can also customize link colors by editing the CSS at your skin subpage. This is a change which will apply to all links throughout the site, but will only be visible to you. The standard link selectors are: a:link — defines the style for normal unvisited links. a:visited — defines the style for visited links.
W3C Markup Validation Service. Tag certifying that a website has been checked for well-formed XHTML (above) and CSS (below) markup. The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition.
Canonical link element. A canonical link element is an HTML element that helps webmasters prevent duplicate content issues in search engine optimization by specifying the "canonical" or "preferred" version of a web page. It is described in RFC 6596, which went live in April 2012. [1] [2]
e. Web colors are colors used in displaying web pages on the World Wide Web; they can be described by way of three methods: a color may be specified as an RGB triplet, in hexadecimal format (a hex triplet) or according to its common English name in some cases. A color tool or other graphics software is often used to generate color values.
In computing, a hyperlink, or simply a link, is a digital reference to data that the user can follow or be guided to by clicking or tapping. [1] A hyperlink points to a whole document or to a specific element within a document. Hypertext is text with hyperlinks. The text that is linked from is known as anchor text.
Linking through hyperlinks is an important feature of Wikipedia. Internal links bind the project together into an interconnected whole. Interwikimedia links bind the project to sister projects such as Wikisource, Wiktionary and Wikipedia in other languages, and external links bind Wikipedia to the World Wide Web .