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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 ...
background-color is passed to the css background-color property of the color box. The optional outline parameter is the color of the outline around the box. The optional border argument which overrides the outline argument and sets the css description (e.g., 1px solid #aaa) of the border that will be drawn around the box.
Also, values can be lists or expressions involving several of the aforementioned values. A typical value in a visual style sheet is a length; for example, "1.5em" which consists of a number (1.5) and a unit (em). The "em" value in CSS refers to the font size of the surrounding text. Common style sheet languages have around ten different units.
shape-outline sets several different outline attributes: color,line-thickness,opacity,css-style. (line-thickness is in px, with 0 meaning no outline. Opacity works the same as for shape-color. css style has various options of which the most useful are solid, dotted, dashed or double.
Note: Wikipedia:HTML 5#Table attributes. CSS to replace obsolete attributes for borders, padding, spacing, etc. Add a border around a table using the CSS property border: thickness style color;, for example border:3px dashed red. This example uses a solid (non-dashed) gray border that is one pixel wide:
This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible. To change this template's initial visibility, the |state= parameter may be used:
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 ...
MediaWiki supports most CSS, with such exceptions as the url() attribute. There were some bugs in CSS support in earlier versions. Further information: the Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification