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A property definition applies to all media types unless a media-specific CSS is defined 4: User defined: Most browsers have the accessibility feature: a user-defined CSS 5: Selector specificity: A specific contextual selector (# heading p) overwrites generic definition 6: Rule order: Last rule declaration has a higher priority 7: Parent inheritance
In web development, the CSS box model refers to how HTML elements are modeled in browser engines and how the dimensions of those HTML elements are derived from CSS properties. It is a fundamental concept for the composition of HTML webpages. [3] The guidelines of the box model are described by web standards World Wide Web Consortium (W3C ...
Style sheet language. A style sheet language, or style language, is a computer language that expresses the presentation of structured documents. One attractive feature of structured documents is that the content can be reused in many contexts and presented in various ways. Different style sheets can be attached to the logical structure to ...
Z-order. Z-order is an ordering of overlapping two-dimensional objects, such as windows in a stacking window manager, shapes in a vector graphics editor, or objects in a 3D application. [1] One of the features of a typical GUI is that windows may overlap, so that one window hides part or all of another. When two windows overlap, their Z-order ...
CSS flex-box layout is a particular way to specify the layout of HTML pages. One of the most defining features of the flex layout is its ability to form-fit, based on its viewing environment. Flex boxes can adjust in size—either decreasing, to avoid unnecessarily monopolizing space, or increasing to make room for contents to fit within its ...
HTML attributes are special words used inside the opening tag to control the element's behaviour. HTML attributes are a modifier of a HTML element type. An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them.
Cascading Style Sheets. In Cascading Style Sheets, CSS grid layout or CSS grid creates complex responsive web design grid layouts more easily and consistently across browsers. [6] Historically, there have been other methods for controlling web page layout methods, such as tables, floats, and more recently, CSS Flexible Box Layout (flexbox).
CSS does not just apply to visual styling: when spoken out loud by a voice browser, CSS styling can affect speech-rate, stress, richness and even position within a stereophonic image. For these reasons, and in support of a more semantic web, attributes attached to elements within HTML should describe their semantic purpose, rather than merely ...