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PDF.js is a JavaScript library that renders Portable Document Format (PDF) files using the web standards-compliant HTML5 Canvas. The project is led by the Mozilla Corporation after Andreas Gal launched it (initially as an experiment) in 2011.
To allow scripts and components to access features of HTML and CSS, the contents of the document are represented as objects in a programming model known as the Document Object Model (DOM). The DOM API is the foundation of DHTML, providing a structured interface that allows access and manipulation of virtually anything in the document.
The World Wide Web Consortium (W3C), former maintainer of the HTML and current maintainer of the CSS standards, has encouraged the use of CSS over explicit presentational HTML since 1997. [update] [ 3 ] A form of HTML, known as HTML5 , is used to display video and audio, primarily using the < canvas > element, together with JavaScript.
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 Opera Show Format (OSF) is a set of conventions used in a web page using XHTML 1.0 Strict and CSS 2.1. [ 1 ] [ 2 ] It is designed to allow presentations to be easily created with web authoring tools.
div.fmbox-warning, mw-warning-with-logexcerpt, mw-cascadeprotectedwarning Pink {} warning style for div based system warning notices. The interface renders a div with one of the "mw-" classes around messages like MediaWiki:Protectedpagewarning. MediaWiki:Common.css: MediaWiki:Editingold, includes/EditPage.php: firstHeading
Part of this CSS presentation behavior is the notion of the "box model". This is applied to those elements that CSS considers to be "block" elements, set through the CSS display: block; declaration. HTML also has a similar concept, although different, and the two are very frequently confused.