header.html

<header>
    <div class="container header">
        <div class="logo">
            <a class="logo" href="index.html"><img src="assets/img/logo.png" alt="logo" /></a>
        </div>
        <div class="menu">
            <nav>
                <ul>
                    <li class="header"><a class="nav" href="index.html">MAIN</a></li>
                    <li class="header"><a class="nav" href="gallery.html">GALLERY</a></li>
                    <li class="header">
                        <a class="nav" href="ourprojects.html">PROJECTS</a>
                    </li>
                    <li class="header">
                        <a class="nav" href="ceftifications.html">CERTIFICATIONS</a>
                    </li>
                    <li class="header">
                        <a class="nav" href="contacts.html">CONTACTS</a>
                    </li>
                </ul>
            </nav>
        </div>
    </div>
</header>