CSS fixes to avoid rules to be overriden

Small CSS fixes to avoid MediaWiki CSS to override some of the
styles defined for the selector.
Localisation updates from http://translatewiki.net.
Localisation updates from http://translatewiki.net.
Fix Pali language name
Localisation updates from http://translatewiki.net.
Merge pull request #77 from pauginer/css-fixes

CSS fixes to avoid rules to be overriden
Localisation updates from http://translatewiki.net.