<!DOCTYPE html>
<!--[if lt IE 7]><html class="no-js lt-ie9 lt-ie8 lt-ie7"><![endif]-->
<!--[if IE 7]><html class="no-js lt-ie9 lt-ie8" <![endif]-->
<!--[if IE 8]><html class="no-js lt-ie9" <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->

{% include head.html %}

<body>

   {% include header.html %}

   <div class="content">
      <div class="container">
         {{ content }}
      </div>
   </div><!-- end .content -->

   {% include footer.html %}
   {% include scripts.html %}

</body>

</html>

<!DOCTYPE html>
<!--[if lt IE 7]><html class="no-js lt-ie9 lt-ie8 lt-ie7"><![endif]-->
<!--[if IE 7]><html class="no-js lt-ie9 lt-ie8" <![endif]-->
<!--[if IE 8]><html class="no-js lt-ie9" <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->

{% include head.html %}

<body>

   {% include header.html %}

   <div class="content">
      <div class="container">
         {{ content }}
      </div>
   </div><!-- end .content -->

   {% include footer.html %}
   {% include scripts.html %}
   
   
<script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/1.3.0/anchor.min.js"></script>

<script>
anchors.options = {
  placement: 'left'
};
anchors.add('h1,h2,h3');
</script>

</body>

</html>

Add anchor.js to h1, h2, h3
Add anchor.js to h1, h2, h3