Use below given attribute to set Hovered sidebar style(Not applicable in horizontal layout).

How to add new menu items/change menu items?

In order to add, change or remove menu items from the left side navigation, simply edit in file views/partials/sidebar.html. The change would reflect in all the html files automatically. We are using gulp which would actually take care of including the views/partials/sidebar.html file content in the all html pages.