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An empty element may be: An empty HTML element, one with tag(s) but no content (HTML element § Empty element)
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 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]
Use the empty-element syntax only for elements specified as empty in HTML. Remove the closing slash in empty-element tags: for example < br > instead of < br />. Include explicit close tags for elements that permit content but are left empty (for example, < div ></ div >, not < div />). Omit the XML declaration.
For example, double (or more) spaces within text are collapsed to a single space, and spaces which appear on either side of the "=" that separates an attribute name from its value have no effect on the interpretation of the document. Element end tags can contain trailing spaces, and empty-element tags in XML can contain spaces before the ...
Here is an example of a simple table, which could be part of a template. if the "parameter" is left blank, class{{{parameter|}}} resolves to simply class, completing the CSS call as above. For any value of "parameter", the style becomes meaningless and is stripped by the MediaWiki software, making the table row visible, as well as the data.
A CSS hack is a coding technique used to hide or show CSS markup depending on the browser, version number, or capabilities. Browsers have different interpretations of CSS behavior and different levels of support for the W3C standards. CSS hacks are sometimes used to achieve consistent layout appearance in multiple browsers that do not have ...
CSS image replacement is a Web design technique that uses Cascading Style Sheets to replace text on a Web page with an image containing that text. It is intended to keep the page accessible to users of screen readers, text-only web browsers, or other browsers where support for images or style sheets is either disabled or nonexistent, while allowing the image to differ between styles.