_layouts/default.html

<!doctype html>
<html lang="en" prefix="og: http://ogp.me/ns#"> 
    {%- include head.html -%}
    <body>
        {%- include header.html -%}

        {{ content }}

        {% capture difference %}{{ page.tags | size | minus: 1 }}{% endcapture %}
        {% if difference != '-1' %}
        <section class='tags'>
            <div class="container-fluid">
                <div class="row">
                    <div class="col-md-6 offset-md-1">
                    <h4>Tags:</h4>
                    {% for tag in page.tags %}
                        {% capture tag_name %}{{ tag }}{% endcapture %}
                        <a href="{{ site.baseurl }}/tag/{{ tag_name }}"><code class="highlighter-rouge">{{ tag_name }}</code></a>
                    {% endfor %}
                    </div>
                </div>
            </div>
        </section>
        {% endif %}
        {%- include footer.html -%}
  </body>
</html>