title: How to add <span> inside <label> generated by Django
body: <p>I am generating django form as below:</p>
  <pre><code>{% for field in form %}
      {{ field }}
      {{ field.label_tag }}
    {% endfor%}
  </code></pre>
  <p>I am getting</p>
  <pre><code>...
  &lt;label for=&quot;id_name&quot;&gt;Name&lt;/label&gt;
  </code></pre>
  <p>I would like to add span inside label so I can animate the label with css. Is there an easy way to do it?</p>