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Media queries is a feature of CSS 3 allowing content rendering to adapt to different conditions such as screen resolution (e.g. mobile and desktop screen size). It became a W3C recommended standard in June 2012, [ 1 ] and is a cornerstone technology of responsive web design (RWD).
CSS3 media queries were almost ready for prime time in late 2008/early 2009. [35] Ethan Marcotte coined the term responsive web design [ 36 ] —and defined it to mean fluid grid / flexible images / media queries—in a May 2010 article in A List Apart . [ 1 ]
The CSS Working Group sometimes publishes "Snapshots", a collection of whole modules and parts of other drafts that are considered stable enough to be implemented by browser developers. So far, five such "best current practices" documents have been published as Notes, in 2007, [57] 2010, [58] 2015, [59] 2017, [60] and 2018. [61]
CSS uses a cascading system to resolve style conflicts by applying style rules based on specificity, inheritance, and importance. Media queries allow for adjustments to the site's layout and appearance depending on factors such as screen size and resolution.
Responsive design uses CSS media queries and flexible layouts to adapt to different viewing environments. Front-end frameworks A framework is a high-level solution for the reuse of software pieces, a step forward in simple library-based reuse that allows for sharing common functions and generic logic of a domain application.
CSS Flexible Box Layout, commonly known as Flexbox, [2] is a CSS web layout model. [4] It is in the W3C 's candidate recommendation (CR) stage. [ 2 ] The flex layout allows responsive elements within a container to be automatically arranged depending on viewport (device screen) size.
It is best practice to keep specificity as low as possible in order to be able to override contextually with lil code. [clarification needed] Using !important is generally bad. Use different forms of specificity instead. CSS is complex. Follow the links above and the other links throughout this article to learn more.
The site-wide CSS in MediaWiki:Common.css is more carefully tested to ensure accessibility (e.g. sufficient color contrast) and compatibility with a wide range of browsers. Moreover, it allows users with very specific needs to change the color schemes in their own style sheet (Special:MyPage/skin.css, or their browser