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Sites that use CSS with either XHTML or HTML are easier to tweak so that they appear similar in different browsers (Chrome, Internet Explorer, Mozilla Firefox, Opera, Safari, etc.). Sites using CSS "degrade gracefully" in browsers unable to display graphical content, such as Lynx, or those so very old that they cannot use CSS. Browsers ignore ...
To use named CSS colors for text on ... Refrain from implementing colored links that may impede user ability to distinguish links from regular text, or color links ...
For text against a white background, the following CSS colors do not meet the minimum contrast ratio (4.5:1) specified by Web Content Accessibility Guidelines (WCAG) 2.0 Level AA. Contrast [ d ] Color sample
Note that if someone is using a custom skin that specifies different link colors, for example, green for internal links, and purple for "redlinks," a link formatted with this code will still look blue, and not match other links in appearance, to that user.
It is best to choose background colors that offer sufficient contrast in relation to text and blue links, which is also the color of references, both of which are very common in most articles. Use the WCAG link contrast checker to ensure that the chosen background color offers the recommended WCAG AA level of contrast against normal text ...
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.
In general, text color should not be anything other than black or white (excluding the standard colors of hyperlinks), and background colors should contrast the text color enough to make the template easily readable. See Wikipedia:Manual of Style/Accessibility/Colors for more information.
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 ...