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The :hover pseudo-class in CSS allows developers to define the styles that should be applied to an element. The styles are applied when the user hovers their mouse pointer over the element. Unlike static CSS properties, the :hover pseudo-class targets an element only when a specific condition (hovering) is met. The styles are not applied at all ...
packed All images aligned by having same height, justified, captions centered under images; packed-overlay Like packed, but caption overlays the image, in a translucent box; packed-hover Like packed-overlay, but caption is only visible on hover (degrades gracefully on screen readers, and falls back to packed-overlay if a touch screen is used)
This controls what happens when you click the image in a preview. "imagepage" takes you to the image page (and will generate a subpopup when you hover over the image), unless the popup is generated for the image page; "sizetoggle" means the image size is toggled on click, and "linkfull" means that the image links directly to the full size version.
Show a caption if specified. Float the image on the right unless overridden with the location attribute. 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.
User interfaces typically use modal windows to command user awareness and to display emergency states, though interaction designers argue they are ineffective for that use. [1] Modal windows are prone to mode errors. [1] [2] [3] On the Web, they often show images in detail, such as those implemented by Lightbox library, or are used for hover ...
These are typically built into browsers, in their DevTools window. Debuggers allow you to step debug (go through your JavaScript code line-by-line, hover over variables to see their values, etc.) Firefox - use Tools → JavaScript Console showing all JavaScript and CSS errors. Chrome and Edge - use Tools → Developer Tools.
The CSS selectors, expressed in terms of elements, classes and id's, relevant for the style of the page body include the following. As far as possible, examples are given, which show the result for the current style settings: : link — links — example: Help:Index ; default: help:index (See a vs :link): link: link: link: visited: link ...
DHTML is not a technology in and of itself; rather, it is the product of three related and complementary technologies: HTML, Cascading Style Sheets (CSS), and JavaScript. To allow scripts and components to access features of HTML and CSS, the contents of the document are represented as objects in a programming model known as the Document Object ...