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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.
A template for adding a caption to a frameless image. Template parameters [Edit template data] Parameter Description Type Status Image image 1 The image to use. The ''File:'' prefix is optional. Default — String required Image caption and alt text caption 2 The caption to display under or above the image. Also sets the alt text. Default — String required Image width scaling factor upright ...
If perrow is omitted, the width is fluid: one row comprises as many images as will fit across the available width of the user's display, wrapping automatically to as many additional lines as needed. Omitting perrow is now the recommended default. Prior to MediaWiki 1.17, the default was perrow=4. The default width and height are currently 120px.
(replacing width: 250px; with the correct width of your image. The inclusion of this specification is optional, but recommended if you have a caption longer than a few words. For large amounts of caption text, use text-align:left; to make it left-justified. Alternate text is optional but recommended. See Alternate text for images for hints on ...
This template displays a gallery of images in an array, left-to-right in rows. Global parameters |width= and |height= control the size of all images in the gallery. The number of images per row is based upon the image width parameters and the width of the screen. The number of images per row can change when the user resizes the window.
Specifying a size does not just change the apparent image size using HTML; it actually generates a resized version of the image on the fly and links to it appropriately. This happens whether or not you specify the size in conjunction with "thumb". This means the server does all the work of changing the image size, not the web browser of the user.
Any image narrower than the preferred width is displayed at its actual, narrower width, without being stretched to fill the preferred width. Images with text should generally use a caption and the thumb (thumbnail) option; the default results in a display 220 pixels wide (170 pixels if the upright option is used), except for those logged-in ...
The alt text for an imagemap region is always the same as its title text; the alt text for the overall image is given in the first line of the imagemap's markup. The underlying image's native dimensions are 3916 × 1980, and the coordinates are given in these dimensions rather than in the 300px resizing.