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The CSS was written with Wikipedia sites in mind (see phab:T221425) so experience on other wikis may not be optimal. To set up the gadget on your wiki, ask an interface-admin to do the following: Create the pages MediaWiki:Gadget-dark-mode.css , MediaWiki:Gadget-dark-mode-toggle-pagestyles.css and MediaWiki:Gadget-dark-mode-toggle.js by copying ...
CSS image replacement is a Web design technique that uses Cascading Style Sheets to replace text on a Web page with an image containing that text. It is intended to keep the page accessible to users of screen readers, text-only web browsers, or other browsers where support for images or style sheets is either disabled or nonexistent, while allowing the image to differ between styles.
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.
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 ...
To change this setting, ... {background-color: transparent; color: ... Import CSS styling via CSS: Add this code to your common.css page:
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 elements (pixels) in separate passes or layers and then combine the resulting 2D images into a single, final image called the composite .
Changing it to transparent (or another colour such as white, or #ffffff) lets the template be applied to non-header cells. You may also indicate a second color in the fourth parameter (its default is the same as the third parameter), the first color being used for the lower left half of the cell, the second color being used for the upper right ...
The only requirement was that this image was invisible, either by being the same color as the page, or by being transparent. Spacer GIFs themselves were small transparent image files. GIF files were used as it was a common format that supported transparency, unlike JPEG. These files were commonly named spacer.gif, transparent.gif or 1x1.gif.