menu.html

<nav class="navbar navbar-expand-lg sticky-top bg-header shadow-sm pl-3 pr-3 pb-2 mb-3" id="mainNav">
        <div class="container-fluid">
            <a class="navbar-brand text-success" href="../../">
                <img class="m-auto" src="https://www.antsoft.com.br/brand.png"" /></a>
            <button class="navbar-toggler bg-danger text-white" type="button" data-toggle="collapse" data-target="#navbarNav"
                aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                <span class="sr-only small">Toggle navigation</span> Menu <i class="fa fa-bars"></i>
            </button>
            <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="nav navbar-nav mr-auto">
                    <li class="nav-item"><a class="nav-link" href="../">Revistas Científicas</a></li>
    
                </ul>
            </div>
        </div>
    </nav>