LightZero/docs/source/_templates/versions.html

{%- if current_version %}
    <div class="rst-versions" data-toggle="rst-versions" role="note" aria-label="versions">
  <span class="rst-current-version" data-toggle="rst-current-version">
    <span class="fa fa-book"> Other Versions</span>
    v: {{ current_version.name }}
    <span class="fa fa-caret-down"></span>
  </span>
        <div class="rst-other-versions">
            {%- if versions.tags %}
                <dl>
                    <dt>Tags</dt>
                    {%- for item in versions.tags %}
                        <dd><a href="{{ item.url }}">{{ item.name }}</a></dd>
                    {%- endfor %}
                </dl>
            {%- endif %}
            {%- if versions.branches %}
                <dl>
                    <dt>Branches</dt>
                    {%- for item in versions.branches %}
                        <dd><a href="{{ item.url }}">{{ item.name }}</a></dd>
                    {%- endfor %}
                </dl>
            {%- endif %}
        </div>
    </div>
{%- endif %}