kouliga In the demo site, The icons are being called with the CSS Image Sprites technique which could be considerably lengthy and complex process and would squarely depend upon your skillset in order to attain the same results.
In quickstart package, The same has been made better and convenient as more easy and feasible option has been incorporated. The icons are simply been added through font-awesome font-family package.
You can choose the icon from extensive library of font-awesome and select the one you wished to have incorporated and copy the css-rule. Thereon, You can paste the css-rule for respective icon you wish to change
Example : Changing the icon reference as seen here would simply require changing "f0b1" in specific css rule-set:
.department-list ul.department-list li.icon-1 a:before {
content: "f0b1";
}
Hope this helps 🙂
