Matukio Events for Joomla Documentation
How to adjust the CSS of Matukio Events
Please don't change Matukios CSS files directly (because of updates, prioritizing etc.). Insert the changes into your Joomla template CSS file (most times called template.css or custom.css).
We wrote a blog article on how to easily use Firebug to make changes on the CSS of an extension:
https://compojoom.com/blog/entry/how-to-use-firebug-to-change-the-css-of-a-joomla-extension