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The Cascading Style Sheets (CSS) specification describes how elements of web pages are displayed by graphical browsers. Section 4 of the CSS1 specification defines a "formatting model" that gives block-level elements—such as p and blockquote—a width and height, and three levels of boxes surrounding it: padding, borders, and margins. [4]
CSS Flexible Box Layout, commonly known as Flexbox, [2] is a CSS web layout model. [4] It is in the W3C 's candidate recommendation (CR) stage. [ 2 ] The flex layout allows responsive elements within a container to be automatically arranged depending on viewport (device screen) size.
January 14, 1997 HTML 3.2 [16] was published as a W3C Recommendation.It was the first version developed and standardized exclusively by the W3C, as the IETF had closed its HTML Working Group on September 12, 1996.
In this example, the \ + <linefeed> line terminators are a feature of CSS, indicating continuation on the next line. These would be removed by the CSS stylesheet processor, and the data URI would be reconstituted without whitespace, making it correct, since whitespace is not allowed within the data component of a data: URI.
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
The WebKit team had also reversed many Apple-specific changes in the original WebKit code base and implemented platform-specific abstraction layers to make committing the core rendering code to other platforms significantly easier. [29] In July 2007, Ars Technica reported that the KDE team would move from KHTML to WebKit. [30]
Canvas was initially introduced by Apple for use in their own Mac OS X WebKit component in 2004, [1] powering applications like Dashboard widgets and the Safari browser. Later, in 2005, it was adopted in version 1.8 of Gecko browsers, [2] and Opera in 2006, [3] and standardized by the Web Hypertext Application Technology Working Group (WHATWG) on new proposed specifications for next generation ...
As of June 2011, Firefox 5 includes CSS animations support. [4] CSS animation is also available as a module in the nightly builds of WebKit as well as Google Chrome, Safari 4 and 5 and Safari for iOS (iPhone, iPod Touch, iPad), Android versions 2.x and 3.x, Internet Explorer 10+ and Microsoft Edge browser, the BlackBerry OS 6 web browser, with the -webkit-prefix.