<nav class="navbar navbar-expand-md navbar-dark bg-dark sticky-top">
        <div class="container">
            <a class="navbar-brand" href="#"> Лого</a>
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
                </button>
            <div class="collapse navbar-collapse" id="navbarNav">
                <div class="navbar-nav">
                    <a href="" class="nav-item nav-link active">Привет</a>
                    <a href="" class="nav-item nav-link">Привет</a>
                    <a href="" class="nav-item nav-link">Привет</a>
                    <button class="btn btn-outline-success">Кнопка</button>
                </div>
            </div>
        </div>
    </nav>