In the html file find text block below on line 37. Copy and paste a list item to add new nav.
<nav class="js-navs-list"> <ul class="menu-page"> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#products">Products</a> </li> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#about">About us</a> </li> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#why-us">Why Triablo</a> </li> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#reviews">Reviews</a> </li> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#companies">brands</a> </li> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#team-members">Team</a> </li> <li class="menu-item"> <a href="/index.php?action=artikel&lang=en&cat=5&id=11&artlang=en#contacts">Contacts</a> </li> </ul> </nav>
Anchor href attribute must match an id of a block, where page will scroll to on click.