There is a support of Mega Menu in the theme. You can create a navigation menu with a beautiful design. There is an option to create the menu as per your need on the website with icons. Add styles on the dropdown menus.
You need to install and activate the Max Mega Menu plugin for this. Once you installed and activated the plugin there is an option Mega Menu in the dashboard from where you can configure the menu as per your requirement. Many settings are there like Menu locations and general settings. Also, it provides the icons with a menu, you can add the icon with the menu name.