HTML example:

<!--
    START: Fullscreen Navbar

    Additional Classes:
        .nk-navbar-dark
        .nk-navbar-align-center
        .nk-navbar-align-right
        .nk-navbar-items-effect-1
        .nk-navbar-drop-effect-1
        .nk-navbar-drop-effect-2
-->
<nav class="nk-navbar nk-navbar-full nk-navbar-align-center nk-navbar-drop-effect-1" id="nk-full">
    <div class="nk-navbar-bg">
        <div class="bg-image">
            <img src="assets/images/bg-menu-full-light.jpg" alt="" class="jarallax-img">
        </div>
    </div>
    
    <div class="nk-nav-table">
        <div class="nk-nav-row">
            <div class="container">
                <div class="nk-nav-header">
                    <div class="nk-nav-logo">
                        <a href="index.html" class="nk-nav-logo">
                            <img src="assets/images/logo.svg" alt="" width="70" class="nk-nav-logo-img-dark">
                            <img src="assets/images/logo-light.svg" alt="" width="70" class="nk-nav-logo-img-light">
                        </a>
                    </div>
                    
                    <div class="nk-nav-close nk-navbar-full-toggle">
                        <span class="nk-icon-close"></span>
                    </div>
                </div>
            </div>
        </div>
        <div class="nk-nav-row-full nk-nav-row">
            <div class="nano">
                <div class="nano-content">
                    <div class="nk-nav-table">
                        <div class="nk-nav-row nk-nav-row-full nk-nav-row-center">
                            <ul class="nk-nav">
                                <li>
                                    <a href="demo-minimal-freelancer-portfolio.html">
                                        Home
                                    </a>
                                </li>
                                ...
                            </ul>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="nk-nav-row">
            <div class="container">
                <div class="nk-social">
                    <ul>
                        <li><a class="nk-social-twitter" href="https://twitter.com/"><span><span class="nk-social-front fa fa-twitter"></span><span class="nk-social-back fa fa-twitter"></span></span></a></li>
                        <li><a class="nk-social-facebook" href="https://www.facebook.com/"><span><span class="nk-social-front fa fa-facebook"></span><span class="nk-social-back fa fa-facebook"></span></span></a></li>
                        <li><a class="nk-social-dribbble" href="https://dribbble.com/"><span><span class="nk-social-front fa fa-dribbble"></span><span class="nk-social-back fa fa-dribbble"></span></span></a></li>
                        <li><a class="nk-social-instagram" href="https://www.instagram.com/"><span><span class="nk-social-front fa fa-instagram"></span><span class="nk-social-back fa fa-instagram"></span></span></a></li>
                        <li><a class="nk-social-behance" href="https://behance.com/"><span><span class="nk-social-front fa fa-behance"></span><span class="nk-social-back fa fa-behance"></span></span></a></li>
                    </ul>
                </div>
            </div>
        </div>
    </div>
</nav>
<!-- END: Fullscreen Navbar -->

Additional classes:

• .nk-navbar-align-center – align items to center;
• .nk-navbar-align-right – align items to right;
• .nk-navbar-items-effect-1 – alternate items hover effect;
• .nk-navbar-drop-effect-1 – dropdown effect 1;
• .nk-navbar-drop-effect-2 – dropdown effect 2;
• .nk-navbar-dark – dark color items;

Toggle button HTML example:

<a href="#" class="nk-navbar-full-toggle">
    <span class="nk-icon-burger">
        <span class="nk-t-1"></span>
        <span class="nk-t-2"></span>
        <span class="nk-t-3"></span>
    </span>
</a>