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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 ...
p-personal – id for the list of user-related links above the main content (username, talk, etc.), top. p-logo – id for the block that contains the logo, top left. p-navigation – id for the block that contains the navigation links on the left of the page; p-search – the block that contains the search buttons
An "id" is a unique identifier. Each time this attribute is used in a document it must have a different value. If you are using this attribute as a hook for style sheets it may be more appropriate to use classes (which group elements) than id (which are used to identify exactly one element).
The CSS selectors, expressed in terms of elements, classes and id's, relevant for the style of the page body include the following. As far as possible, examples are given, which show the result for the current style settings: : link — links — example: Help:Index ; default: help:index (See a vs :link): link: link: link: visited: link ...
Because the semantic file contains only the meanings an author intends to convey, the styling of the various elements of the document's content is very consistent. For example, headings, emphasized text, lists and mathematical expressions all receive consistently applied style properties from the external style sheet.
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The new labels rules, for instance, add salmon, eggs, olive oil, nuts and whole grains to the list of "healthy" foods and remove foods with high amounts of added sugars.
CSS Cascading Style Sheets; while HTML dictates the content of page, CSS regulates the format, including headers, footers, navigation bars, etc. While all of these elements can be created in HTML, such a method would have to be repeated on every web page. CSS on the other hand, is applied to all pages of a website. Cyberbullying