ActesCitoyens/templates/frontend/header.html.twig

<div id="menu" class="fixed-top">
    <div class="collapse" id="navbarToggleExternalContent">
        <div class="p-4">
            <h5 class="text-white h4">Collapsed content</h5>
            <span class="text-muted">Toggleable via the navbar brand.</span>
        </div>
    </div>
    <nav class="navbar">
        <a class="navbar-brand" href="#">
            <img src="{{ 'assets/img/Logo-Aux-Actes-Citoyens.jpg' }}" width="200" alt="">
        </a>
        <a class="participate" href="">
            Participer
        </a>
        <a class="space_colla" href="">
            Espace collaboratif
        </a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
    </nav>
</div>