I am currently working on a site
and the menu where it says home , products & services etc etc
If you hover over the navigation menu , the list-style:disc , shows up on the outside of the menu sub-list and not the insides
#suckerfishnav li:hover, #suckerfishnav li.sfhover (linie 9)
[B]list-style-position: outside; /* remove this line */
You have the file located here: /wp-content/plugins/multi-level-navigation-plugin/style.php
I tried removing that line and it still shows up on the outside
I just checked your source and the line has not been removed. It is still there. You need to remove it, otherwise it won't work.