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Wikipedia:Catalogue of CSS classes

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The website HTML, generated Wikipedia content and the JavaScripts of Wikipedia define hundreds of classes and IDs. The use of most of them is not clearly explained or described anywhere. Most of these classes and IDs are used for styling using CSS and identify parts of the page that this styling should apply to. They can also be used to make manipulations to the webpages using JavaScript and some have additional semantic meaning and are used by external parties.

This page is an attempt to catalogue and describe the most used and most important classes and IDs used on this wiki.

Before getting started

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There are many intricacies about Cascading Style Sheets and JavaScript, too many to discuss all of them here. Some important points however:

  • Classes are defined in the HTML document (generated by the server or by JavaScript). They are used as selectors in CSS.
  • Learn to use the browser inspectors of Firefox, lE, Chrome or Safari to inspect the webpages.
  • By default much of the CSS and JavaScript resources are processed for efficiency. Append ?debug=true or &debug=true to the URL to make them more readable when inspecting.
  • For styling to apply there are two concepts that are important:
    • Load order
      Things defined later have priority and thus override things defined 'earlier'. We will try to give an overview of load order, later on.
    • Specificity
      If load order is failing you when applying your styling, you should know that more complex selectors take priority over order of definition. This is called specificity. 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. If you do not understand how Cascading Style Sheets and JavaScript work and what symbols to use, please begin with Wikipedia's own articles about CSS and JavaScript, which contain a list of references and external links to relevant material.

Stylesheets and JavaScript

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Note: try searching through git for the core skin CSS/JS (eg. Go to /skins/Vector/ and /skins/MonoBook/ and /core.git/resources/src/mediawiki.skinningfor the current default/global sets).

The following table is really outdated since MediaWiki 1.17 (June 2011). The complexity of MediaWiki itself has increased significantly and many of the locations of the styling rules have been split out and are only collected and bundled when delivered to the browser.

One way to inspect the core CSS and JS files is to inspect a page with Web development tools while loading any Wikipedia page with ?debug=true URL parameter (this will separate different CSS files, prevent minification and preserve comments). Another way is to look at these skin files (example of Vector in Git); note that most MediaWiki core JS files are to be found in /resources/src directory.

Skin Type Stylesheets (in cascade order) Javascript (in order) Notes
Vector (default)
(vector)
 Template
  1. [1] (screen)
  2. resources/src/mediawiki.legacy/shared.css
  3. resources/src/mediawiki.legacy/commonPrint.css
  4. MediaWiki:Common.css
  5. MediaWiki:Print.css (print)
  6. MediaWiki:Vector.css
  7. User preferences stylesheet (generated)
  8. User/common.css[J 1]
  9. User/vector.css[J 1]
  10. Css gadgets[J 1]
  1. IE fixes
  2. Global variables
  3. common/wikibits.js
  4. common/edit.js
  5. common/ajax.js
  6. common/ajaxwatch.js
  7. common/mwsuggest.js[J 2]
  8. JavaScript gadgets[J 1]
  9. Centralnotice
  10. Site js
    1. Skin variables
    2. MediaWiki:Common.js
    3. MediaWiki:Vector.js
  11. User/common.js[J 1]
  12. User/vector.js[J 1]
  13. Sitenotice
  14. fixalpha()
  15. runOnloadHook()
 Default skin for anonymous users;
Default skin for new users
Modern
(modern)
 Template
(but not MonoBook)
  1. common/shared.css (screen)
  2. modern/main.css (screen)
  3. modern/print.css (print)
  4. MediaWiki:Common.css
  5. MediaWiki:Print.css (print)
  6. MediaWiki:Modern.css
  7. User preferences stylesheet (generated)
  8. User/common.css[J 1]
  9. User/modern.css[J 1]
  10. Css gadgets[J 1]
  1. Global variables
  2. common/wikibits.js
  3. common/ajax.js
  4. common/ajaxwatch.js
  5. mwsuggest.js[J 2]
  6. Javascript gadgets[J 1]
  7. Site js
    1. Skin variables
    2. MediaWiki:Common.js
    3. MediaWiki:Modern.js
  8. User/common.js[J 1]
  9. User/modern.js[J 1]
  10. Sitenotice
  11. runOnloadHook()
 No IE fixes (?), unique print css
MonoBook
(monobook)
 Template
  1. common/shared.css (screen)
  2. common/commonPrint.css (print)
  3. monobook/main.css (screen)
  4. IE fixes (screen)
  5. MediaWiki:Common.css
  6. MediaWiki:Print.css (print)
  7. MediaWiki:Monobook.css
  8. User preferences stylesheet (generated)
  9. User/common.css[J 1]
  10. User/monobook.css[J 1]
  11. Css gadgets[J 1]
  1. IE fixes
  2. Global variables
  3. common/wikibits.js
  4. common/ajax.js
  5. common/ajaxwatch.js
  6. mwsuggest.js[J 2]
  7. Javascript gadgets[J 1]
  8. Site js
    1. Skin variables
    2. MediaWiki:Common.js
    3. MediaWiki:Monobook.js
  9. User/common.js[J 1]
  10. User/monobook.js[J 1]
  11. Sitenotice
  12. fixalpha()
  13. runOnloadHook()
 Replaced by Vector as the default skin for anonymous and new users
Notes
  1. ^ a b c d e f g h i j k l m n o p q r Only available to logged-in users.
  2. ^ a b c Can be disabled via preferences.

Page/action specific

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Several types of MediaWiki pages, actions, and preferences load conditional stylesheets and javascript, to reduce the burden of unnecessary script loading.

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> 		mw:Extension:CategoryTree
diff.css Diff pages Stylesheet specifically for diff tables.
edit.js action=edit Edit page tools, split from wikibits.js.
feed.css RSS/Atom feeds "Make RSS and Atom feeds at least semi-legible to folk who accidentally load them in a browser."
history.js action=history History radio button list display.
metadata.js Image pages with EXIF metadata Show/hide tool for extended metadata list.
mwsuggest.js If not disabled in preferences Activates new search suggest ajax (enabled by default on Wikimedia).
prefs.js Special:Preferences Dynamic tabs and other tools in user preferences.
preview.js action=edit Live preview module, disabled on Wikipedia.
protect.js action=protect Dynamic updating of protect form elements.
rightclickedit.js If enabled in preferences Activates section editing by right-clicking on section titles.
upload.js Special:Upload Dynamic updating of upload form elements, and template selection preview.

User group specific

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Special stylesheets and JavaScript are loaded for some user groups.

Script or style Description
MediaWiki:Group-abusefilter.css For abuse filter managers.
MediaWiki:Group-abusefilter-helper.css For abuse filter helpers.
MediaWiki:Group-autoconfirmed.css For autoconfirmed editors.
MediaWiki:Group-checkuser.css For checkusers.
MediaWiki:Group-extendedconfirmed.css For extended-confirmed editors.
MediaWiki:Group-extendedmover.css For page movers.
MediaWiki:Group-patroller.css For new page patrollers.
MediaWiki:Group-sysop.css
MediaWiki:Group-sysop.js 		For admins.
MediaWiki:Group-templateeditor.css For template editors.
MediaWiki:Group-user.css
MediaWiki:Group-user.js 		For registered users.

Classes

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We often add the name of a template or MediaWiki message itself as a class name in the code of the template or message. This allows users to style the message, and it allows future skinning of the message in the global CSS files. Please do not document such class names here, unless they are actually used in some CSS or JavaScript file, since there are (or at least should be) literally thousands of such class names.

class description in CSS[1] in HTML[1]
:active A CSS pseudo-class. See the W3C standard. monobook/main.css (screen, projection) —
active Used on the active tab button (monobook). monobook/main.css (screen, projection) skins/MonoBook.php
allpagesredirect Redirect in the listings of Special:Allpages and Special:Prefixindex. MediaWiki:Common.css includes/specials/SpecialAllpages.php
ambox, ambox-* Article message box template styles.
See also mbox-text etc. below. 		MediaWiki:Common.css, MediaWiki:Print.css (hidden when printed from articles) {{ambox}} meta-template that is used to create most article message boxes.
autocomment Used for the section bits in edit summaries, i.e. the part between /* and */ on watchlist and rc pages. common/shared.css includes/Linker.php
autonumber Class used in the interface for external links — includes/parser/Parser.php
autosigned Class used to format automatic signatures — {{Unsigned}}
boilerplate (deprecated) Another template class — —
catlinks Category links normally at the bottom of the page. includes/Skin.php
center Emulates <center> functionality monobook/main.css includes/Linker.php
citation Marks a full citation. MediaWiki:Common.css {{Citation}}
cleanup (Deprecated) Used on some cleanup templates MediaWiki:Common.css
cmbox, cmbox-* Category message box template styles.
See also mbox-text etc. below. 		MediaWiki:Common.css {{cmbox}} meta-template that is used to create most category message boxes.
collapsible, collapsed, autocollapse, innercollapse/outercollapse Allows tables to be expanded and collapsed using associated javascript. See Help:Collapsing MediaWiki:Common.js {{navbox}}
collapseButton Applied to the spans containing the show/hide links created by the CollapsibleTables javascript. MediaWiki:Common.css, MediaWiki:Common.js {{navbox}}
comment Edit summaries on watchlist and rc pages. monobook/main.css (screen, projection) includes/Linker.php
dangerousLink Used on Image pages to not have dangerous file types display previews. ? includes/ImagePage.php
def Used in the allmessagestable, Special:Allmessages (System messages) monobook/main.css (screen, projection) includes/specials/SpecialAllmessages.php
diff, diff-addedline, diff-context, diff-deletedline, diff-ntitle, diff-otitle, diffchange Used by the diff view common/commonPrint.css, common/diff.css, MediaWiki:Monobook.css skin on diff view, includes/normal/RandomTest.php
disputed (Deprecated) A cleanup class. ?
editlink Class to mark an Edit link for use in templates. MediaWiki:Print.css (hidden when printed) {{ed right}}, {{ed2}}, {{ed}}
error Marks up errors MediaWiki:Monobook.css (only defined for paragraph elements), monobook/main.css (line 278) includes/Math.php, {{db-t3}}
editHelp Interface section ? includes/EditPage.php
editOptions Used in the div surrounding the minor edit and watch this page checkboxes. monobook/main.css, includes/EditPage.php
editsection Class used in the interface for section [edit] links common/commonPrint.css (hidden when printed) includes/Linker.php
edittools-text Prevents the static edittools from flashing before the compact edittools is loaded. MediaWiki:Common.js/edit.js MediaWiki:Edittools
external Class used in the interface for external links monobook/main.css (screen, projection) includes/Linker.php
extiw Used for Interwiki links. monobook/main.css (screen, projection) includes/Linker.php
expansion (Deprecated) A type of cleanup class ?
div.fmbox-warning, mw-warning-with-logexcerpt, mw-cascadeprotectedwarning Pink {{fmbox}} warning style for div based system warning notices. The interface renders a div with one of the "mw-" classes around messages like MediaWiki:Protectedpagewarning. MediaWiki:Common.css MediaWiki:Editingold, includes/EditPage.php
firstHeading Used on the title of the page, e.g. "Wikipedia:Catalogue of CSS classes" monobook/main.css (screen, projection) skins/MonoBook.php
floatright, floatleft, floatnone Used to float something to the right/left of the page (or not float it at all) monobook/main.css (screen, protection)
common/commonPrint.css (print) 		includes/Linker.php
free Used in the interface for external links — includes/parser/Parser.php
hatnote Used to mark disambiguation links at the top of pages. MediaWiki:Common.css {{hatnote}}
hlist Renders lists in horizontal style MediaWiki:Common.css {{flatlist}}
hlist inline Allows nesting horizontal lists on one line MediaWiki:Common.css
image Interface class used for links to images. ? includes/Linker.php
imbox, imbox-* Image pages message box template styles.
See also mbox-text etc. below. 		MediaWiki:Common.css {{imbox}} meta-template that is used to create most image message boxes.
interwiki-xx Interface class used for interlanguage links in the page margin for language with code xx. — includes/SkinTemplate.php
infobox Formatting for article infoboxes MediaWiki:Common.css Infoboxes
internal Used in the interface on "Edit summary" and the question mark by the minor edit checkbox links, and in the links in the copyright statement(to the GFDL and Wikipedia:Copyrights). ? includes/Parser.php, languages/Language.php, includes/Linker.php
ltr and rtl Set in HTML body element. ltr = Page text goes "Left To Right" like now. rtl = Text goes "Right To Left", like in the Arabic Wikipedia. body
magnify The two "magnify" rectangles in the caption of a thumb'ed image (magnify-clip.png) common/shared.css, monobook/main.css, common/commonPrint.css (print) Linker.php (line 675)
mbox-inside Tag for templates that might contain mboxes like {{imbox}} and {{tmbox}}. So that mboxes can detect that they are inside and adapt their margins accordingly. MediaWiki:Common.css {{information}}, {{WikiProjectBanners}} and {{WikiProjectBannerShell}} should have this class.
mbox-text, mbox-image, mbox-imageright, mbox-empty-cell Used in <td> and <th> elements inside message boxes. See Wikipedia:Ambox CSS classes. MediaWiki:Common.css {{ambox}}, {{tmbox}}, {{imbox}}, {{cmbox}}, {{ombox}}, and {{fmbox}} meta-templates that are used to build most message boxes.
mediawiki Set in HTML body element, to identify pages generated by MediaWiki. as of 31533 this should appear in all skins
metadata Used to mark elements in articles that are considered not to be part of the proper content of the article. These are annotations, maintenance templates, navigation links, media controls etc. These elements are often filtered out of 'alternative' views of the content, like CD-ROM editions, bookprint, webpage print, mobile views etc. MediaWiki:Print.css (hidden when printed from articles) {{dmbox}}, {{Catfd}}, {{tfd}}, {{ambox}}
minor Used for the "m" marking minor edits. monobook/main.css includes/specials/SpecialContributions.php
mufi Forces fonts used for Medieval Unicode Font Initiative (discussion) {{mufi}}
mw-headline The headline in a heading (without the "[edit]" link) ? includes/Linker.php
mw-headline-number The headline number, if auto-numbering the section headings (a user preference) is enabled includes/parser/Parser.php
mw-hidden-cats-hidden "Hidden categories" with preference "Show hidden categories" off common/shared.css includes/Skin.php
mw-hidden-cats-ns-shown "Hidden categories" in the Category namespace includes/Skin.php
mw-hidden-cats-user-shown "Hidden categories" with preference "Show hidden categories" on includes/Skin.php
mw-no-invert Wikipedia:Dark mode (gadget) prevent flipping of the colors of an element when in dark mode MediaWiki:Gadget-dark-mode.css
mw-stack Used to fix inconsistencies between pages with and without {{Stack}} / {{Stack begin}} on mobile view. ? {{Stack}}, {{Stack begin}}
mw-tag-markers Tags of the Edit filter MediaWiki:Common.css
namespacesettings Interface section on Recent Changes page ? includes/specials/SpecialRecentchanges.php
namespaceselector Part of the Recent Chages page ? includes/GlobalFunctions.php
navbar v•d•e links in navboxes and other templates MediaWiki:Common.css {{navbar}}
navbox, navbox-* Navigational boxes MediaWiki:Common.css {{navbox}}
new The redlink class; used on internal links to pages that do not have any undeleted history. monobook/main.css (screen, projection), common/commonPrint.css (print) includes/Linker.php, includes/Skin.php, languages/Language.php
Used in the allmessagestable, Special:Allmessages (System messages) monobook/main.css (screen, projection) includes/specials/SpecialAllmessages.php
newpage The "N" used for new pages on watchlist, etc. monobook/main.css (screen, projection) includes/ChangesList.php
noarticletext See mw:Manual:Interface/Noarticletext. monobook/main.css (screen, projection) includes/Article.php
nomobile Hides content for mobile view. ? {{Random slideshow}}, {{Sidebar}}, {{Sidebar with collapsible lists}}, and others.
nonumtoc Hides automatic numbering on the table of contents (in combination with explicitly stating __TOC__ or __FORCETOC__ MediaWiki:Common.css Articles
noprint Hides content when printed. But for most usage, see metadata above instead. common/commonPrint.css, MediaWiki:Print.css (hidden when printed) {{ed right}}, {{ed2}}, {{ed}}, {{edit}}, {{Shortcut}}, and others.
noresize Prevents images from being compressed to smaller size on Vector 2022 (desktop) and Minerva (mobile) skins, adds scrollbars on mobile view. ? {{Annotated image}}, {{Image label begin}}, {{Superimpose}}, {{Wide image}}, and others
notice (Deprecated) Style for "notices"? Used to be used in {{disambig}} etc. MediaWiki:Common.css
nounderlines Disables underlines on links who are children of this element (original request) MediaWiki:Common.css Articles
nourlexpansion When printing only print the title of the link and not the link itself. (replaces "plainlinksneverexpand") MediaWiki:Print.css
nowrap Generic no-wrap class. MediaWiki:Common.css
nowraplinks Prevents line wraps inside links, but allows word wraps between the links and in normal text. Useful for instance for long link lists. MediaWiki:Common.css {{nowraplinks}}, {{nowraplinks end}}, {{navbox}}
ns--1, ns-0 - ns-101 Set in HTML body element. Shows which namespace the page is in. ns-0 (main), ns-1 (Talk) and so on. "ns--1" is used on all "Special:" pages. See Wikipedia:Namespace#Enumeration. includes/Skin.php
ns-talk, ns-subject, ns-special Set in HTML body element. Shows which namespace the page is in. "ns-talk" = all talk pages. "ns-subject" = all non-talk pages, such as articles, "Wikipedia:", "Image:" and so on. "ns-special" = all "Special:" pages (see Special:SpecialPages). See also Wikipedia:Namespace.
ombox, ombox-* Other pages message box template styles.
See also mbox-text etc. above. 		MediaWiki:Common.css {{ombox}} meta-template that is used to create most other pages message boxes.
orig Used in the allmessagestable, Special:Allmessages (System messages) monobook/main.css (screen, projection) includes/specials/SpecialAllmessages.php
page-Pagename Each page has its own name as a class in the body tag. Formed by the pagename with spaces and colons replaced by underscores, and prefixed by "page-". Like this page's body has the class "page-Wikipedia_Catalogue_of_CSS_classes" in its body tag. includes/Skin.php
pBody Used all-around on the various body-like pieces of the interface, including personal tools, sidebar, and tabs. monobook/main.css skins/MonoBook.php
plainlinks Disables the external link arrow common/shared.css {{Catfd}}, {{tfd}}, and many other places.
plainlinks2 Changes the color of external links to en: to the internal links color. MediaWiki:Monobook.css
plainlinksneverexpand (Deprecated) Replaced with "plainlinks nourlexpansion"
plainrowheaders Changes the font style of table row headers that have the scope="row" tag applied. MediaWiki:Common.css
portlet Used on the tab buttons, and the left navigation columns (in monobook) MediaWiki:Monobook.css skins/MonoBook.php, config/index.php
prettytable (Removed) Predecessor of wikitable. No longer works.
printfooter Used to mark the footer of the page in the interface. ? includes/Skin.php
protected (Deprecated) Used on some templates that go on protected pages. ?
rcoptions Interface section on Recent Changes page ? includes/specials/SpecialRecentchanges.php
redirect-in-category redirect in the list of members, on a category page MediaWiki:Common.css includes/CategoryPage.php
redirectText Span around the link on a redirect page monobook/main.css, MediaWiki:Vector.css includes/Article.php
reference The class is assigned to the reference note links occurring within the article text and generated by Cite.php. MediaWiki:Common.css MediaWiki:Cite reference link
reference-accessdate Some (not all as of 2008-06-08) citation templates wrap the "Retrieved on date" in this class, so it can be hidden in CSS optionally or by default.
references, reflist, refbegin These classes are assigned to the ordered list of reference notes generated by Cite.php, and to the {{Reflist}} and {{Refbegin}} templates. MediaWiki:Common.css {{Reflist}}, {{Refbegin}}
references-column-count, references-column-count-n, references-column-width Assigned to reference lists with columns {{Reflist}}, {{Refbegin}}
references-small (Removed [2]) For small-font references at 90% in articles (in any format, not only Cite.php). To be used where the per article consensus demands smaller font for the references. (original discussion). Also used to style the font size in tables. search in articles MediaWiki:Common.css Manually assigned by editors with <div class="references-small">...</div>
rimage (Deprecated) Less useful equivalent of floatright monobook/main.css, common/commonPrint.css (print) —
rtl "Right To Left" text direction, see ltr (Left To Right).
searchButton Used in the interface on exactly what you would expect. monobook/main.css skins/MonoBook.php
selected Used on the currently selected tab button in the interface. It changes the border-color. monobook/main.css includes/SkinTemplate.php, skins/MonoBook.php
selflink Used on links pointing to the same page (e.g. Wikipedia:Catalogue of CSS classes) ? ?
skin-skinname Each skin has its own name as a class in the body element. These classes allow skin-specific print rules to be easily applied. Skin name is lowercase: skin-monobook, skin-modern etc. /includes/Skin.php
sortable Related to sortable tables — wikibits.js
sortarrow Related to sortable tables — wikibits.js
sortbottom Related to sortable tables — wikibits.js
sortheader Related to sortable tables — wikibits.js
special Used for non-links in watchlists, etc. Like the "(diff)" on a new page. ? includes/QueryPage.php, includes/ImagePage.php
subpages used on the line listing the parent of a subpage monobook/main.css (screen, projection) includes/Skin.php, includes/SkinTemplate.php
sysop-show Makes the enclosed content visible to admins. Only use this for very short items (such as the red "Group notice" and "Page notice" editnotice links), since some browsers show hidden items to all users. MediaWiki:Group-sysop.css {{editnotice load}}
template-documentation For the box around template documentation. MediaWiki:Common.css Template:Documentation
templatesUsed surrounds the div listing the templates used on a page, on the edit page. ? includes/EditPage.php
texhtml applies to span element that contains a formula common/shared.css, MediaWiki:Common.css
text Class used in the interface for external links — includes/parser/Parser.php
thumb Outer div of a thumbnail. Its border (margin in monobook) is the outer "margin" for thumbnails. Also doubles as the inner padding for galleries. monobook/main.css, MediaWiki:Common.css, MediaWiki:Monobook.css, common/commonPrint.css (print) includes/Linker.php
thumbborder On the image when |border is specified. monobook/main.css, common/commonPrint.css (print) includes/Linker.php
thumbcaption Div with the thumbnail's caption. common/shared.css, monobook/main.css, common/commonPrint.css (print) includes/Linker.php
thumbimage On the thumbnail. monobook/main.css includes/Linker.php
thumbinner Inner div of a thumbnail. monobook/main.css, MediaWiki:Common.css includes/Linker.php
tleft, tright Floated thumbnails common/commonPrint.css (print) includes/Linker.php
tmbox, tmbox-* Talk page message box template styles.
See also mbox-text etc. above. 		MediaWiki:Common.css {{tmbox}} meta-template that is used to create most talk page message boxes.
toc, toctitle, toclevel-1, toclevel-2, toctext, tocnumber, toctoggle Used by the Table of Contents. Should not be used by anything else; use class="toccolours" or a more semantic class (like "navbox") instead. monobook/main.css, common/commonPrint.css (print) skin on TOC
toccolours Same formatting as class="toc", but can be used by other things. common/oldshared.css, modern/main.css, monobook/main.css, vector/main-ltr.css, MediaWiki:Modern.css, MediaWiki:Monobook.css lots of places
topicon Formatting for top right icons like featured article star, protected page etc. MediaWiki:Monobook.css {{top icon}}
unsortable Related to sortable tables — wikibits.js
userlinks Username, for unambiguous letterforms like l, 1, i. – {{userlinks}}
usermessage "You have new messages" box monobook/main.css (screen, projection), modern/main.css (screen, projection) –
watchlistredir For redirects on Special:Watchlist/edit Special:Watchlist/edit
wikitable For content tables common/shared.css everywhere
wpb For WikiProject banner tables. MediaWiki:Common.css {{WPBannerMeta}} and other WikiProject banners
wpb-header For the header row of a WikiProject banner. MediaWiki:Common.css {{WPBannerMeta}} and other WikiProject banners
wpbs For WikiProject banner shells MediaWiki:Common.css {{WikiProjectBannerShell}}
wrap Generic wrap class to override nowrap. MediaWiki:Common.css
wraplinks Allows line wraps inside links (to override nowraplinks) MediaWiki:Common.css
class description in CSS¹ in HTML¹

Classes not used in style sheets

[edit]

Wikipedia also uses a number of classes with functions unrelated to style sheets.

IDs

[edit]
Shortcut
id Description in CSS/JS in HTML
about Part of the interface (footer).
allmessagestable Table with a list of system messages available in the MediaWiki: namespace. monobook/main.css Special:Allmessages
article Main content area for standard-derived skins. Everything on MediaWiki:Common.css must have any effect only within the element with this ID. standard-derived skins around content
bodyContent Main content area for monobook-derived skins. Everything on MediaWiki:Common.css must have any effect only within the element with this ID. monobook/main.css (screen, projection) monobook-derived skins around content
collapsibleTablen, collapsibleButtonn Used by the collapsible tables code MediaWiki:Monobook.js MediaWiki:Monobook.js
column-content part of the rendered page structure monobook/main.css (screen, projection), common/commonPrint.css (print) ?
column-one part of the rendered page structure monobook/main.css (screen, projection), common/commonPrint.css (print) ?
confirmemail Notice asking for users to confirm their email address ? MediaWiki:Recentchangestext, Wikipedia:Administrators' noticeboard/Header
content part of the rendered page monobook/main.css (screen, projection), common/commonPrint.css (print) ?
contentSub surrounds the notice of the partents of subpages monobook/main.css (screen, projection) ?
coordinates Used to show the coordinates below the page title (original discussion, talk page) MediaWiki:Monobook.css {{coord/display/inline,title}}
copyright Part of the interface (footer).
delete-reason
delete-criterion 		Added by deletion templates (CSD/XfD/PROD); picked up by JavaScript and used to preload the deletion summary when such pages are deleted. MediaWiki:Group-sysop.js CSD, XfD and PROD deletion templates
differences-prevlink Used in the diff pages ? ?
disambig (Deprecated) Old disambiguation notices style. And it used to trigger the display of {{disambig editintro}} when editing a disambig page. MediaWiki:Common.css MediaWiki:Common.js Was used in {{dmbox}} and disambig boxes built with it.
disambigbox Triggers the display of {{disambig editintro}} when editing a disambig page. MediaWiki:Common.js Used in {{dmbox}} and disambig boxes built with it.
disclaimer Part of the interface (footer).
editform Part of the interface. includes/EditPage.php
editpage-copywarn Part of the interface. includes/EditPage.php
editpage-copywarn2 Part of the interface. MediaWiki:Edittools
editpage-copywarn3 Part of the interface. MediaWiki:Edittools
editpage-specialchars Part of the interface. MediaWiki:Edittools.js, MediaWiki:Common.js/edit.js MediaWiki:Edittools
footer part of the rendered page common/commonPrint.css (print) ?
GeoGroupTemplate Allow direct referencing of box (used once per page) containing map links (none) {{GeoGroupTemplate}}
globalWrapper surrounds the whole page monobook/main.css (screen, projection), common/commonPrint.css (print) ?
jump-to-nav Links to jump to the navigation or the search bar, mainly for screen readers. monobook/main.css (screen, projection) common/commonPrint.css (print) ?
lastmod Part of the interface.
longpagewarning Allows hiding of the "long page" warning via user CSS MediaWiki:Longpagewarning
mw-youhavenewmessages So JavaScript can find the "You have new messages" text in all skins. MediaWiki:Youhavenewmessages
privacy Part of the interface.
searchBody Part of the interface.
searchGoButton Part of the interface.
searchInput Part of the interface.
searchform Part of the interface.
searchTarget ? monobook/main.css ?
searchTargetContainer ? monobook/main.css ?
shared-image-desc Wrapper around the image description from commons includes/ImagePage.php
siteNotice Site notices MediaWiki:Monobook.css, monobook/main.css, common/wikiprintable.css (hidden), common/commonPrint.css (hidden) skin around MediaWiki:Sitenotice, skin around MediaWiki:Anonnotice
siteSub MediaWiki:Tagline - "From Wikipedia, the free encyclopedia", appears under the page title. MediaWiki:Monobook.css, monobook/main.css (hidden)
stub Stub notices (wikiproject) monobook/main.css (screen, projection) (only on links, i.e. A elements) common/commonPrint.css (print) {{stub}}, all stub templates (list)
tfd Template:Catfd ? {{Catfd}}, {{tfd}}
toc, toctitle Table of Contents common/commonPrint.css (print) skin on TOC
top anchor at the top of the page, used for links that go "back to the top" ? ?
villagepumpfaq Allows the user to hide the FAQ on the top of Wikipedia:Village pump (technical) Wikipedia:Village pump (technical)
watchlist-message MediaWiki:Watchlist-messages
watchlist-message-RfX Template:RfA watchlist notice
wikiPreview Part of the interface.

ca-X, f-X, n-X, p-X, pt-X, t-X, wpX IDs

[edit]

i.e. interface buttons, links, etc.

"ca-" in the class names stands for "content actions", "f-" for footer, "n-" for navigation, "p-" for "page", "pt-" for "personal tools" (at the top), and "t-" for "tools" (in the side bar).

id Description in CSS[1] in HTML[1]
ca-addsection "+" or "new section" tab button on top of talk pages. monobook/main.css and MediaWiki:Monobook.css. ?
ca-delete Delete tab button for administrators ? ?
ca-edit edit this page tab button MediaWiki:Monobook.css ?
ca-history History tab button ? ?
ca-move Move tab button ? ?
ca-nstab-user "user page" tab button in user space ? ?
ca-nstab-wp Wikipedia project page tab button ? ?
ca-protect Protection tab button ? ?
ca-talk Talk page tab button ? ?
ca-unwatch Unwatch tab button ? ?
f-poweredbyico Powered by MediaWiki icon in the footer common/commonPrint.css (print) ?
f-copyrightico Copyright Wikimedia Foundation in the footer common/commonPrint.css (print) ?
f-list Part of the interface.
n-Featured-articles Part of the interface.
n-contact Part of the interface.
n-currentevents Part of the interface.
n-help Part of the interface.
n-mainpage Part of the interface.
n-portal Part of the interface.
n-randompage Part of the interface.
n-recentchanges Part of the interface.
n-sitesupport Part of the interface.
p-cactions Sets padding, margin, placement and colours of the page top tab buttons in Monobook. monobook/main.css and MediaWiki:Monobook.css. ?
p-coll-print_export Surrounds the "print/export toolbar" ? ?
p-interation Surrounds the "interaction toolbar". ? ?
p-personal Surrounds the "personal toolbar", i.e. userpage, talk page, prefs, watchlist, contribs, log out. monobook/main.css (screen, projection) ?
p-lang Surrounds the links to other language Wikipedias ? ?
p-logo Surrounds the logo image ? ?
p-nav ? ? ?
p-navigation surrounds the Navigation menu; i.e. Main page, Community Portal, etc. ? ?
p-tb surrounds the toolbox menu; i.e. whatlinkshere, related changes, etc. ? ?
pt-login ? MediaWiki:Monobook.css ?
pt-userpage Userpage link personal toolbar link ? ?
pt-logout Part of the interface.
pt-mycontris Part of the interface.
pt-mytalk Part of the interface.
pt-preferences Part of the interface.
pt-watchlist Part of the interface.
t-permalink Part of the interface.
t-recentchangeslinked Part of the interface.
t-specialpages Part of the interface.
t-upload Part of the interface.
t-whatlinkshere Part of the interface.
wpSave Save button monobook/main.css ?
wpDiff Part of the interface.
wpMinoredit Part of the interface.
wpPreview Part of the interface.
wpScrolltop Part of the interface.
wpSummary Part of the interface.
wpSummaryLabel Part of the interface.
wpSection Part of the hidden interface.
wpStarttime Part of the hidden interface.
wpRecreate Part of the hidden interface.
wpEdittime Part of the hidden interface.
wpEditToken Part of the hidden interface.
wpTextbox1 Part of the interface.
wpWatchthis Part of the interface.

JavaScript variables

[edit]

About 30 variables that can be used in JavaScript. View the rendered code of any page and find for instance var wgUserName. 

"wgAction":"view"
"wgArticleId":3941451
"wgBreakFrames":false
"wgCanonicalNamespace":"Project"
"wgCanonicalSpecialPageName":false
"wgCategories":["Wikipedia features"]
"wgCSPNonce":false
"wgCurRevisionId":1077279639
"wgDefaultDateFormat":"dmy"
"wgDigitTransformTable":["",""]
"wgDiscussionToolsFallbackEditMode":"source"
"wgDiscussionToolsFeaturesEnabled":{"replytool":true,"newtopictool":false,"sourcemodetoolbar":true,"topicsubscription":false,"autotopicsub":false}
"wgEchoSeenTime":{"alert":"2022-03-15T22:46:57Z","notice":"1970-01-01T00:00:01Z"}};
"wgEditSubmitButtonLabelPublish":true
"wgFlaggedRevsParams":{"tags":{"status":{"levels":-1}}}
"wgGEAskQuestionEnabled":false
"wgGELinkRecommendationsFrontendEnabled":false
"wgGENewcomerTasksGuidanceEnabled":true
"wgGlobalGroups":[]
"wgIsArticle":true
"wgIsProbablyEditable":true
"wgIsRedirect":false
"wgMediaViewerEnabledByDefault":true
"wgMediaViewerOnClick":true
"wgMFDisplayWikibaseDescriptions":{"search":true,"nearby":true,"watchlist":true,"tagline":false}
"wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"]
"wgNamespaceNumber":4
"wgNoticeProject":"wikipedia"
"wgNoticeUserData":{"registration":"999"}
"wgPageContentLanguage":"en"
"wgPageContentModel":"wikitext"
"wgPageName":"Wikipedia:Catalogue_of_CSS_classes"
"wgPopupsFlags":10
"wgRelevantArticleId":3941451
"wgRelevantPageIsProbablyEditable":true
"wgRelevantPageName":"Wikipedia:Catalogue_of_CSS_classes"
"wgRequestId":"791d32fc-0adb-4cb1-9a8c-db11247504d9"
"wgRestrictionEdit":[]
"wgRestrictionMove":[]
"wgRevisionId":1077279639
"wgSeparatorTransformTable":["",""]
"wgTitle":"Catalogue of CSS classes"
"wgULSAcceptLanguageList":["nl","en-us","en"]
"wgULSBabelLanguages":["nl","en"]
"wgULSCurrentAutonym":"English"
"wgULSisCompactLinksEnabled":false
"wgULSPosition":"interlanguage"
"wgUserEditCount":1288
"wgUserGroups":["extendedconfirmed","*","user","autoconfirmed"]
"wgUserId":1590755
"wgUserName":"xxx"
"wgUserRegistration":999
"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"}
"wgWikibaseItemId":"Q21188652"
"wgWMEPageLength":60000
"wgWMESchemaEditAttemptStepOversample":false
RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","jquery.tablesorter","jquery.makeCollapsible","mediawiki.toc","skins.monobook.scripts","mediawiki.page.watch.ajax","ext.gadget.ReferenceTooltips","ext.gadget.formWizard","ext.gadget.geonotice","ext.gadget.watchlist-notice","ext.gadget.charinsert","ext.gadget.extra-toolbar-buttons","ext.gadget.switcher","mmv.head","mmv.bootstrap.autostart","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.init","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.cx.eventlogging.campaigns","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.centralauth.centralautologin.clearcookie","ext.discussionTools.init","ext.uls.interface"];
RLSTATE={"ext.gadget.WatchlistBase":"ready","ext.gadget.WatchlistGreenIndicatorsMono":"ready","ext.gadget.SubtleUpdatemarker":"ready","ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"loading","user.options":"loading","ext.cite.styles":"ready","ext.discussionTools.init.styles":"ready","skins.monobook.styles":"ready","jquery.tablesorter.styles":"ready","jquery.makeCollapsible.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.echo.styles.badge":"ready","oojs-ui.styles.icons-alerts":"ready","ext.wikimediaBadges":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready"};

See also

[edit]

Notes

[edit]
  1. ^ a b c d In some special cases in JavaScript.
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