flex/pelican/themes/Flex/templates/partial/sidebar.html

<aside>
  <div>
    <a href="{{ SITEURL }}/">
      {% if SITELOGO %}
      <img src="{{ SITELOGO }}" alt="{{ SITETITLE }}" title="{{ SITETITLE }}">
      {% else %}
      <img src="{{ SITEURL }}/{{ THEME_STATIC_DIR }}/img/profile.png" alt="{{ SITETITLE }}" title="{{ SITETITLE }}">
      {% endif %}
    </a>

    <h1>
      <a href="{{ SITEURL }}/">{{ SITETITLE }}</a>
    </h1>

    {% if SITESUBTITLE %}
    <p>{{ SITESUBTITLE }}</p>
    {% endif %}

    {% if PLUGINS %}
    {% if ('tipue_search' in PLUGINS or 'pelican.plugins.tipue_search' in PLUGINS) %}
    <form class="navbar-search" action="{{ SITEURL }}/search.html" role="search">
      <input type="text" name="q" id="tipue_search_input" placeholder="{{ _('Search...') }}">
    </form>
    {% elif 'pelican.plugins.search' in PLUGINS %}
    <div class="stork">
      <input class="stork-input" type="text" autocomplete="off" name="q" data-stork="sitesearch" placeholder="{{ _('Search...') }}" onclick="loadStorkIndex()"/>
      <div class="stork-output" data-stork="sitesearch-output"></div>
    </div>
    {% endif %}
    {% endif %}

    {% if (pages and DISPLAY_PAGES_ON_MENU) or LINKS %}
    <nav>
      <ul class="list">
        {# Open links in new window depending on the LINKS_IN_NEW_TAB setting #}
        {% macro get_target(link) -%}
          {%- if LINKS_IN_NEW_TAB in ('all', true) -%}
          _blank
          {%- elif LINKS_IN_NEW_TAB == "external" and not link.startswith("/") and not link.startswith(SITEURL) -%}
          _blank
          {%- else -%}
          _self
          {%- endif -%}
        {%- endmacro %}

        {% if PAGES_SORT_ATTRIBUTE -%}
          {% set pages = pages|sort(attribute=PAGES_SORT_ATTRIBUTE) %}
        {%- endif %}

        {% if DISPLAY_PAGES_ON_MENU %}
          {% for page in pages %}
            <li>
              <a target="{{ get_target(SITEURL) }}"
                 href="{{ SITEURL }}/{{ page.url }}{% if not DISABLE_URL_HASH %}#{{ page.slug }}{% endif %}">
                {{ page.title }}
              </a>
            </li>
          {% endfor %}
        {% endif %}

        {% for name, link in LINKS %}
          <li>
            <a target="{{ get_target(link) }}" href="{{ link }}" >{{ name }}</a>
          </li>
        {% endfor %}
      </ul>
    </nav>
    {% endif %}

    {% if SOCIAL %}
    {% set solid = ['at', 'envelope', 'mailbox', 'rss'] %}
    {% set relme = ['at', 'envelope', 'mailbox', 'mastodon'] %}
    <ul class="social">
      {% for name, link in SOCIAL %}
      <li>
        <a class="sc-{{ name }}"
           {% if name in relme %}rel="me"{% endif %}
           href="{{ link }}"
           target="_blank">
          <i class="{% if name in solid %}fa-solid{% else %}fa-brands{% endif %} fa-{{ name }}"></i>
        </a>
      </li>
      {% endfor %}
    </ul>
    {% endif %}
  </div>

  {% if GOOGLE_ADSENSE and GOOGLE_ADSENSE.ads.aside %}
    <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
    <ins class="adsbygoogle ads-aside"
         data-ad-client="{{ GOOGLE_ADSENSE.ca_id }}"
         data-ad-slot="{{ GOOGLE_ADSENSE.ads.aside }}"></ins>
    <script>
      (adsbygoogle = window.adsbygoogle || []).push({});
    </script>
  {% endif %}
</aside>