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  2. CSS image replacement - Wikipedia

    en.wikipedia.org/wiki/CSS_image_replacement

    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.

  3. Help:Cascading Style Sheets - Wikipedia

    en.wikipedia.org/wiki/Help:Cascading_style_sheets

    You may wish to use a style type that is already predefined by MediaWiki, or the site that you are visiting. You can also create a style that is unique to your page. Vector is the default style, you can view it at: MediaWiki:Vector.css. You will give your CSS tag an existing "class" Please put a list of existing classes here.

  4. Help:User style - Wikipedia

    en.wikipedia.org/wiki/Help:User_style

    For example, an HTML element "span" without content can, through its class and id, provide parameters for JS specifying CSS for any parts of the page. For example, if a page contains a "span" element with class FA and id lc, MediaWiki:Monobook.js specifies the style and title of elements "li" of class interwiki-lc, thus controlling the style ...

  5. Alpha compositing - Wikipedia

    en.wikipedia.org/wiki/Alpha_compositing

    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]

  6. Wikipedia:Extended image syntax - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Extended_image...

    With an operand, e.g. thumb=Example.png, the operand names an image that is used as the thumbnail, ignoring any size specification. frame Preserve the original image size, and put a box around the image. Show any caption below the image. Float the image on the right unless overridden with the location attribute.

  7. Help:Options to hide an image - Wikipedia

    en.wikipedia.org/wiki/Help:Options_to_hide_an_image

    Where you'll replace (page name) with the actual name of the page you wish to apply the restriction to. For example: To disable images from automatically displaying on the Muhammad article, your script will look like this: . page-Muhammad img {display: none;} If the page name includes spaces or punctuation marks, use underscores instead.

  8. RGBA color model - Wikipedia

    en.wikipedia.org/wiki/RGBA_color_model

    Example of an RGBA image composited over a checkerboard background. alpha is 0% at the top and 100% at the bottom. RGBA stands for red green blue alpha.While it is sometimes described as a color space, it is actually a three-channel RGB color model supplemented with a fourth alpha channel.

  9. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    an image that is not rectangular can be filled to the required rectangle using transparent surroundings; the image can even have holes (e.g. be ring-shaped) in a run of text, a special symbol for which an image is used because it is not available in the character set, can be given a transparent background, resulting in a matching background.