To change an icon chose a new one from Font Awesome icons change icon class(fa-university).
<i class="fa fa-university"></i>
To add a new social icon find following code block and add a new list item with your icon name and anchor link
<ul class="social-icons"> <li> <a href="/index.php?action=artikel&lang=en&cat=5&id=18&artlang=en#"><i class="fa fa-facebook"></i></a> </li> <li> <a href="/index.php?action=artikel&lang=en&cat=5&id=18&artlang=en#"><i class="fa fa-twitter"></i></a> </li> <li> <a href="/index.php?action=artikel&lang=en&cat=5&id=18&artlang=en#"><i class="fa fa-google-plus"></i></a> </li> </ul>
To change icons in "WHY PEOPLE CHOOSE TRIABLO?" block chose an icon from Simple Line Icons Webfont Collection.
<div class="item-icon-block"><span class="item-icon" data-icon="icon-code"></span></div>
Change data-icon with your new one or a class.