<nav id="{{ id }}" class="px-breadcrumb" aria-label="Breadcrumb">
  <ol class="px-breadcrumb__list">
    {% for label, href in items %}
    <li class="px-breadcrumb__item">
      {% if href %}
      <a class="px-breadcrumb__link" href="{{ href }}">{{ label }}</a>
      {% else %}
      <span class="px-breadcrumb__current" aria-current="page">{{ label }}</span>
      {% endif %}
    </li>
    {% endfor %}
  </ol>
</nav>
