Compatibility styling constitutes basic CSS alterations to better integrate the extensions with the template, rather than full theme integration. Example extensions: K2, Contact Enhanced, JComments, Ninjaboard, Tienda, Virtuemart and JomSocial.
Enabled or Disable from Admin → Extensions → Template Manager → rt_syndicate_j15 → Advanced → Third Party Styling. Disable if you are not using any of the extensions for performance purposes.
If you use 2,3 or 4 columns in Fusion, you will need to increase the Drop-Down Width (px) value in the menu item settings.
Fusion Menu FeatureTriple Level Splitmenu places the 1st level items in the header, the 2nd level items beneath it, and all subsequent levels in the sidebar.
Menu Setup Guide
MooRainbow