blue-twilight/resources/views/install/navbar.blade.php

<nav class="navbar navbar-toggleable-md navbar-inverse bg-primary">
    <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbar-content" aria-controls="navbar-content" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <a class="navbar-brand" href="{{ route('install.check')  }}"><i class="fa fa-fw fa-photo"></i> @lang('installer.app_name')</a>

    <div class="collapse navbar-collapse" id="navbar-content">
        <ul class="navbar-nav mr-auto">
        </ul>
    </div>
</nav>