pop up

<div style='display:none;'>
    <h1>Invite Testers</h1>
        <div id='colorbox-form-internal'>
        <h1>Invite Internal Testers</h1>
        <div style="text-align:center; margin-top:20px">
            <form id='internal-invite' data-dojo-type='Form' data-dojo-props="method:'post', action:'{% url invitations_internal_app_access app.id %}',
                   enctype:'multipart/form-data'">
                   {% csrf_token %}
                    <script type="text/javascript" src="{{STATIC_URL}}js/selectall.js"></script>
                   <input name="checkall" onclick="checkUncheckAll(this);"type="checkbox" /> <b> Select All </b>
                   <br>
                   <br>
                   <br>
                   <table>
                {% for username_id, username_label in iform.username.field.choices %}
                <section>
                <input type="checkbox" name="username" value={{username_id}}> &nbsp <b>{{username_label}}</b>
                </section>
                {% endfor %}

                </table>
                <span> {{iform.as_p}} </span>
                <input type='submit' value='Invite' id='invite-tester-button' />
            </form>
        </div>
    </div>
{% endblock %}