commercial way. Nevis comes with 5 preconfigured presets, styles for K2, Kunena forum, RokSprocket, BT Login, WDST Twitter widget, Facebook Likebox and WidetKit Lite extensions. There is also quick start package available for download which contains all modules (except facebook Like Box ) and sample text as you can see in DEMO . Below I placed some screenshots, just in case you would like to recreate look and feel my demo package.
In image above you can find which modules are installed and in which module position.
Above you can see screenshot of styles tab in gantry's template manager.
Above configuration for menu tab. Template manager Joomla Nevis
Above layouts settings for Nevis
Advanced configuration, the most likely you want to compile your changes in LESS files, by clicking Clear Cache.