vbar-light bg-primary mb-3">
                        <a class="navbar-brand" href="#">Dark text</a>
                        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor03" aria-expanded="false" aria-label="Toggle navigation">
                            <span class="navbar-toggler-icon"></span>
                        </button>
                        <div class="collapse navbar-collapse" id="navbarColor03">
                            <ul class="navbar-nav m