In this article we’ll show you the basics on how you can get started with editing skins in mediawiki.
To edit the look and feel of the your mediawiki, you’ll need to edit the css file of the current skin you’re using. In this example, we’ll edit the monobook theme, which is the default theme. The CSS file can be updated by going to the MediaWiki:Common.css CCS location in MediaWiki. You can visit it by go to the similar url below.
https://your-mediawiki.com/index.php?title=MediaWiki:Common.css
How do I change the width of the entire page and center it?
font-size: 127%;
width: 100%;
margin: 0; padding: 0;}
position:relative;
font-size: 127%;
width: 900px;
margin-left:auto;
margin-right:auto;
padding: 0;
}