MediaWiki

SideBar

Sidebar Typing MediaWiki:Sidebar in search bar, and validating with Enter.

This hides the tools from the sidebar

#p-tb { display: none; }

Extension UserFunctions

To hide info for users, I have installed UserFunctions

To modify and hide some info/links on the sidebar I have installed GroupsSidebar

Footer

Poweredby logo This hides the Poweredby logo on pages.

# Edit LocalSettings.php and add line: 
unset( $wgFooterIcons['poweredby'] );

This hides the footer (Vector skin)

/* remove some */

#footer-places-privacy { display: none; }
#footer-places-about { display: none; }
#footer-places-disclaimer { display: none; } 

/* Or remove them all*/
#footer-places { display: none; }

$wgHooks['SkinAddFooterLinks'][] = function ( Skin $skin, string $key, array &$footerlinks ) {
    if ( $key === 'info' ) {
        $footerlinks['tagline'] = $skin->msg( 'footer-tagline' )->parse();
    }
};

Header

Disabling section links

.mw-editsection { display: none;}

This hides the [Discussion] tab on pages.

/* CSS placed here will be applied to all skins */
#ca-talk {
    display: none !important;
}

Custom CSS

Typing MediaWiki:Common.css in search bar, and validating with Enter.

Typing MediaWiki:Group-user.css in search bar, and validating with Enter.

MainPage

Mainpage Typing MediaWiki:Mainpage in search bar, and validating with Enter.

Search Engine Indexing

Typing MediaWiki:Robots.txt in search bar, and validating with Enter.