{% if errors %}
<div class="card danger">
  <h3>Could not save</h3>
  <ul>{% for e in errors %}<li>{{ e }}</li>{% endfor %}</ul>
</div>
{% else %}
<div class="card success">
  <h3>Saved</h3>
  <p>topics.yaml updated.</p>
  <p><a href="/setup/step-5" class="button">Continue to step 5 →</a></p>
</div>
{% endif %}