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For lines of CSS which should be different on different MediaWiki projects, e.g. for a different background color for easy distinction, clearly the local CSS cannot be used; at least these lines should be put in the user subpages. Some computers, e.g. in internet cafes, mobile devices/tablets, do not allow users to set preferences for the browser.
CSS 2, SVG and CSS 2.1 allow web authors to use system colors, which are color names whose values are taken from the operating system, picking the operating system's highlighted text color, or the background color for tooltip controls.
A guide on using colors in web design and development, covering color theory, accessibility, and practical applications.
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 ...
Our "Cheatsheet" is a good starting point for learning basic Wikipedia formatting.A more complete guide is here.. You can take some formatting tips from the standard way Wikipedia articles are laid out.
Web colors provides a list of colors which can be used. Simple colors, like black, blue, red, green, etc. can just be spelled out. Alternatively, colors can be specified using either RGB or hex notation.
Light on dark color schemes require less energy to display on OLED displays. This positively impacts battery life and reduces energy consumption. [16]While an OLED will consume around 40% of the power of an LCD displaying an image that is primarily black, it can use more than three times as much power to display an image with a white background, such as a document or web site. [17]
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]