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This means that the list of colors found in X11 (e.g., in /usr/lib/X11/rgb.txt) should not directly be used to choose colors for the web. [10] The list of web "X11 colors" from the CSS3 specification, along with their hexadecimal and decimal equivalents, is shown below. Compare the alphabetical lists in the W3C standards.
colors: color palette of the chart as a comma-separated list of colors. The color values must be given either as #rgb/#rrggbb/#aarrggbb or by a CSS color name. For #aarrggbb the aa component denotes the alpha channel, i.e. FF=100% opacity, 80=50% opacity/transparency, etc.
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 ...
Several variations of the CNS, which were more compatible with existing schemes, e.g. by including all CSS 2.1 named colors as base color terms and transparency, had been proposed for inclusion into CSS, but they were all rejected. [4]
The typical range of intensity values for each color, 0–255, is based on taking a binary number with 32 bits and breaking it up into four bytes of 8 bits each. 8 bits can hold a value from 0 to 255. The fourth byte is used to specify the "alpha", or the opacity, of the color. Opacity comes into play when layers with different colors are stacked.
where a is the base layer value and b is the top layer value. This mode is commutative: exchanging two layers does not change the result. If one layer contains a homogeneous gray, Screen blend mode is equivalent to using this gray value as opacity when doing "normal mode" blend with white top layer.
The first versions of Mosaic and Netscape Navigator used the X11 colors as the basis for the web colors list, as both were originally X applications. The W3C specifications SVG and CSS level 3 module Color eventually adopted the X11 list with some changes. [7] The present W3C list is a superset of the 16 "VGA colors" defined in HTML 3.2 and CSS ...
Some (not all as of 2008-06-08) citation templates wrap the "Retrieved on date" in this class, so it can be hidden in CSS optionally or by default. references, reflist, refbegin These classes are assigned to the ordered list of reference notes generated by Cite.php, and to the {} and {} templates. MediaWiki:Common.css