weseek__growi/src/server/views/layout-growi/widget/header.html

<div class="header-wrap">
  <header id="page-header">

    <div class="d-flex align-items-center">
      <div class="title-logo-container hidden-xs hidden-sm">
        <a class="logo" href="/">
          <div class="logo-mark">{% include '../../widget/logo.html' %}</div>
        </a>
      </div><!-- /.title-logo-container -->

      <div class="title-container mr-auto">
        <h1 class="title" id="revision-path"></h1>
        {% if not forbidden and not isTrashPage() %}
          <div id="tag-label"></div>
        {% endif %}
      </div><!-- /.title-container -->
      {% if page %}
      {% include '../../widget/header-buttons.html' %}

      <ul class="authors hidden-sm hidden-xs text-nowrap">
        <li>
          <div class="d-flex align-items-center not-affix">
            <a class="mr-2" href="{{ userPageRoot(page.creator) }}" data-toggle="tooltip" data-placement="bottom" title="{{ page.creator.name|default(author.name) }}">
              <img src="{{ page.creator|default(author)|picture }}" class="picture rounded-circle">
            </a>
            <div>
              <div>Created by <a href="{{ userPageRoot(page.creator) }}">{{ page.creator.name|default(author.name) }}</a></div>
              <div class="text-muted">{{ page.createdAt|datetz('Y/m/d H:i:s') }}</div>
            </div>
          </div>
          <div class="d-flex align-items-center only-affix">
            <a class="mr-2" href="{{ userPageRoot(page.creator) }}" data-toggle="tooltip" data-placement="bottom" title="{{ page.creator.name|default(author.name) }}">
              <img src="{{ page.creator|default(author)|picture }}" class="picture picture-xs rounded-circle">
            </a>
            <div class="ml-auto">
              <div>Created in <span class="text-muted">{{ page.createdAt|datetz('Y/m/d H:i:s') }}</span></div>
            </div>
          </div>
        </li>
        <li class="mt-1">
          <div class="d-flex align-items-center not-affix">
            <a class="mr-2" href="{{ userPageRoot(author) }}" data-toggle="tooltip" data-placement="bottom" title="{{ author.name }}">
              <img src="{{ author|picture }}" class="picture rounded-circle">
            </a>
            <div>
              <div>Updated by <a href="{{ userPageRoot(page.revision.author) }}">{{ author.name }}</a></div>
              <div class="text-muted"">{{ page.updatedAt|datetz('Y/m/d H:i:s') }}</div>
            </div>
          </div>
          <div class="d-flex align-items-center only-affix">
            <a class="mr-2" href="{{ userPageRoot(author) }}" data-toggle="tooltip" data-placement="bottom" title="{{ author.name }}">
              <img src="{{ author|picture }}" class="picture picture-xs rounded-circle">
            </a>
            <div class="ml-auto">
              <div>Updated in <span class="text-muted"">{{ page.updatedAt|datetz('Y/m/d H:i:s') }}</span></div>
            </div>
          </div>
        </li>
      </ul><!-- /.authors -->
      {% endif %}

      {% if not page and not forbidden and ('/' === path or 'crowi' === getConfig('crowi', 'customize:behavior')) and not isUserPageList(path) and !isTrashPage() %}
        {% if '/' === path.slice(-1) %}
          {% include '../../widget/create_portal.html' %}
        {% endif %}
      {% endif %}
    </div>

  </header>
</div><!-- / .header-wrap -->