content_planner-8.x-1.x-dev/modules/content_calendar/templates/content-calendar-legend.html.twig

<div class="legend">
  <h3>{{ "Legend"|t }}</h3>

  <ul class="explanations">
    {% for entity_key, content_type_entity in content_type_configs %}

      <li>
        <span class="content-calendar-item-preview" style="border: 2px solid {{ content_type_entity.color }}">&nbsp;</span>
        <span class="label">= {{ content_type_entity.label }}
          (<a href="{{ path('entity.content_type_config.edit_form', {'content_type_config': entity_key}) }}?destination={{ path('content_calendar.calendar') }}">{{ "Configure" }}</a>)
          </span>
      </li>

    {% endfor %}
  </ul>
</div>