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CSS-in-JS is a styling technique by which JavaScript is used to style components. When this JavaScript is parsed, CSS is generated (usually as a <style> element) and attached into the DOM. It enables the abstraction of CSS to the component level itself, using JavaScript to describe styles in a declarative and maintainable way.
One option is to include the less.js JavaScript file to convert the code on-the-fly. The browser then renders the output CSS. Another option is to render the Less code into pure CSS and upload the CSS to a site. With this option no .less files are uploaded and the site does not need the less.js JavaScript converter.
The user can customize fonts, colors, positions of links in the margins, and many other things! This is done through custom Cascading Style Sheets stored in subpages of the user's "User" page.
Style may be chosen specifically for a piece of content, see e.g., color; scope of parameters Alternatively, style is specified for CSS selectors, expressed in terms of elements, classes, and ID's.
Locally scoped variables and subroutine names are lowercase with infix underscores. Subroutines and variables meant to be treated as private are prefixed with an underscore. Package variables are title cased. Declared constants are all caps. Package names are camel case excepting pragmata—e.g., strict and mro—which are lowercase. [36] [37]
Script or style Page or action Description allmessages.js: Special:Allmessages: Filtering tools for Allmessages list. categorytree.js categorytree.css: Special:CategoryTree and pages with <categorytree>
In addition to a personal JavaScript page, you can also have a personal page that uses Cascading Style Sheets (CSS) to modify the appearance of Wikipedia pages. As with JavaScript, the name of the page that the MediaWiki software will use depends on the skin you're using; the default is vector.css.
In CSS and LaTeX the x-height is called an ex. The use of ex in dimensioning objects, however, is less stable than use of the em across browsers . Internet Explorer , for example, dimensions ex at exactly one half of em, whereas Mozilla Firefox dimensions ex closer to the actual x-height of the font , rounded relative to the font's current ...