django-template-2019-08/templates/layout/topnav.html

<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
    <button type="button" id="sidebarCollapse" class="btn btn-outline-success my-2 my-sm-0 nonactive">
        <span>Боковое меню</span>
    </button>
    <a class="navbar-brand" href="{% url 'mainapp:index' %}">Наименование</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse"
            aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarCollapse">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item">
                <a class="nav-link" href="{% url 'mainapp:other' page='about' %}">О сайте</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="{% url 'mainapp:other' page='contacts' %}">Контакты</a>
            </li>
            {% if user.is_authenticated %}
                <li class="nav-item dropdown">
                    <a id="link-user-name" class="nav-link custom-nav-link" data-toggle="dropdown"
                       href="#"
                       aria-expanded="false">{{ user.username }}</a>
                    <div class="dropdown-menu">
                        <a class="dropdown-item" href="{% url 'mainapp:profile' %}">Мои статьи</a>
                        <a class="dropdown-item" href="{% url 'mainapp:profile_change' %}">Изменить личные
                            данные</a>
                        <a class="dropdown-item" href="{% url 'mainapp:password_change' %}">Изменить пароль</a>
                        {% if user.is_staff %}
                            <div class="dropdown-divider"></div>
                            <a class="dropdown-item" href="/admin" target="_blank">Админка</a>
                        {% endif %}
                        <div class="dropdown-divider"></div>
                        <a class="dropdown-item" href="{% url 'mainapp:logout' %}">Выйти</a>
                        <div class="dropdown-divider"></div>
                        <a class="dropdown-item" href="{% url 'mainapp:profile_delete' %}">Удалить аккаунт</a>
                    </div>
                </li>
            {% else %}
                <li class="nav-item"><a class="nav-link custom-nav-link"
                                        href="{% url 'mainapp:register' %}">Регистрация</a>
                </li>
                <li class="nav-item"><a class="nav-link custom-nav-link"
                                        href="{% url 'mainapp:login' %}">Вход</a>
                </li>
            {% endif %}
        </ul>
    </div>
</nav>