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MediaWiki extensions manual
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Release status: stable

Implementation Tag, Skin
Description Allows the inclusion of CSS style sheets within wiki pages
Author(s) Julian Porter & Ævar Arnfjörð Bjarmason (julianportertalk)
Latest version 1.1 (2012-02-16)
MediaWiki 1.16+
PHP 5.3
Database changes No
License GPLv2 or later
Download Source Code
Hooks used

Translate the NewPageCSS extension if it is available at translatewiki.net

Check usage and version matrix; code metrics

The NewPageCSS extension uses the tag <css> to include a CSS in the text of the wiki page; that CSS is then put into the header of the resulting HTML, and so formats your page. If you are creating a wiki page that ends up requiring a lot of style modifiers, it's probably simpler to put them into a CSS style sheet.


table.uc {
    border-collapse: collapse;

.uc th {
    background-color: #f2f2f2;
    border: 1px solid black;

.uc td {
    border: 1px solid black;

.uc td.pm {
    background-color: #ffa0a0;

<table class="uc">




  1. Download the files from here
  2. Create a directory NewPageCSS in your $IP/extensions directory
  3. Extract the files to this $IP/extensions/NewPageCSS directory
  4. Add to the end of LocalSettings.php:
  5. Installation can now be verified through Special:Version on your wiki

See also[edit]

I would like to acknowledge the author of the original extension PageCSS (Ævar Arnfjörð Bjarmason), which I have updated so it will work with current versions of MediaWiki.