<!DOCTYPE html>
<html>
  
  {% include head.html %}

  <body>
    {% include header.html %}

    <div class="content">
      {{ content }}
    </div>
    
    {% include footer.html %}
  </body>


</html>


<!DOCTYPE html>
<html>

  {% include head.html %}

  <body>
    {% include header.html %}

    <div class="content center">
      {{ content }}
    </div>

    {% include footer.html %}
  </body>


</html>

Use the center class for centering the content.
Use the center class for centering the content.
