<!-- Target for toggling the sidebar `.sidebar-checkbox` is for regular
     styles, `#sidebar-checkbox` for behavior. -->
<input type="checkbox" class="sidebar-checkbox" id="sidebar-checkbox" checked>

<!-- Toggleable sidebar -->
<div class="sidebar" id="sidebar">
  <div class="sidebar-item">
    <p>{{ blog_title }} &mdash; {{ blog_description }} </p>
  </div>

  <nav class="sidebar-nav">
    <!-- The code below dynamically generates a sidebar nav of pages with -->
    <!-- `layout: page` in the front-matter. See readme for usage. -->

    {% set pages_list = navigation_links() %}
    {% for link, name in pages_list %}
      <a class="sidebar-nav-item{% if permalink == link %} active{% endif %}" href="{{ link }}">{{ name }}</a>
    {% endfor %}

  </nav>

  <div class="sidebar-item">
    <p>
      {{ search_form }}
    </p>
    <p>
      {{ content_footer }}
    </p>
  </div>
</div>

<!-- Target for toggling the sidebar `.sidebar-checkbox` is for regular
     styles, `#sidebar-checkbox` for behavior. -->
<input type="checkbox" class="sidebar-checkbox" id="sidebar-checkbox" checked>

<!-- Toggleable sidebar -->
<div class="sidebar" id="sidebar">
  <div class="sidebar-item">
    <p>{{ blog_title }} &mdash; {{ blog_description }} </p>
  </div>

  <nav class="sidebar-nav">
    <!-- The code below dynamically generates a sidebar nav of pages with -->
    <!-- `layout: page` in the front-matter. See readme for usage. -->

    {% set pages_list = navigation_links() %}
    {% for link, name in pages_list %}
      <a class="sidebar-nav-item{% if permalink == link %} active{% endif %}" href="{{ link }}">{{ name }}</a>
    {% endfor %}

  </nav>

  <div class="sidebar-item">
    <p>
      {{ search_form }}
    </p>
  </div>

  <div class="sidebar-item">
      {{ content_footer }}
  </div>

</div>

Put footer into a div, rather than a paragraph.
Put footer into a div, rather than a paragraph.
