Customising the Beez template/left
From Joomla! Documentation
CSS Reference
#left
The following classes and ids will influence the Main Menu. Please notice the ordering.
Main Class
#left ul li ul { background:#fff; border:solid 1px #E0C1E0; border-bottom:solid 0 #93246F; border-left:solid 4px #93246F; border-top:0; margin:0; }
- Storage location: layout.css