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CSS also supports the special color transparent, which represents an alpha value of zero; by default, transparent is rendered as an invisible nominal black: rgba(0, 0, 0, 0). It was introduced in CSS1 but its scope of use has expanded over the versions.
A color spectrum image with an alpha channel that falls off to zero at its base, where it is blended with the background color. In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [ 1] It is often useful to render picture ...
The method used for selecting the colours for various top-level pages, e.g. Main Page, Community Portal, Contents, and Help:Contents. The 3 colours are generated using the HSV colour space, then translated into RGB. Note: for layouts with no spacing between borders, use the darker border colour.
Transparency (graphic) GIF animation of an Apollonian sphere packing with transparent background. Transparency in computer graphics is possible in a number of file formats. The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible.
6.0 and below have broken alpha-channel transparency support (will display the default background color instead). [70] [71] [72] 7.0 and below cannot combine 8-bit alpha transparency AND element opacity (CSS – filter: Alpha (opacity=xx)) without filling partially transparent sections with black. [73] 8.0 and below have inconsistent/broken ...
In computing, on the X Window System, X11 color names are represented in a simple text file, which maps certain strings to RGB color values. It was traditionally shipped with every X11 installation, hence the name, and is usually located in <X11root> /lib/X11/rgb.txt. The web colors list is descended from it but differs for certain color names.
image-bg-color: any valid CSS color: white Background of the box in which the image is displayed. For example, a dark background for a relatively dark image on which relatively lightly colored annotations are placed. image-css: any valid CSS – Additional CSS applied to the (inner box carrying the) image.
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 ...