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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.
Links should clearly be identifiable as links to readers. Refrain from implementing coloured links that may impede user ability to distinguish links from regular text, or colour links for purely aesthetic reasons. See the guides to editing articles for accessibility at contrast, accessibility and navbox colors.
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.
You can set the color of an individual link or set of links on a page (rather than a global change to the style of all links on Wikipedia) as follows. Setting styles in this way will apply to everyone who views those particular links or that particular page, not just you. However, links intended for readers should never be manually colored.
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 ...
Permanent link; Page information; Get shortened URL; Download QR code; ... } – sets both text and background color {} — colored table header cell {{Color ...
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]
For instance, if an SVG file is deployed as a CSS background image, or a logo on some website, or in some image gallery, then when the image is loaded in a browser it activates a script or other content. This could lock up the browser (the Billion laughs attack), but could also lead to HTML injection and cross-site scripting attacks. The W3C ...