<div class="container"> <div class="alert alert-primary" role="alert"> <h4 class="alert-heading">It's empty in here...</h4> <p>You have not added a set yet.</p> <hr> <div class="text-end"><a href="{{ url_for('add.add') }}" class="btn btn-primary"><i class="ri-checkbox-circle-line"></i> Add a set</a></div> </div> </div>