calc/templates/session_security/dialog.html
{% load i18n %}
<div id="session_security_warning" class="session_security" style="display:none" aria-hidden="true" role="dialog">
<div class="session_security_overlay" > </div>
<div class="timeout-dialog" role="document" tabindex="-1">
<h3>{% trans 'Your session is about to be terminated!' %}</h3>
<p>
{% trans 'Due to inactivity, you will be logged out in 5 minutes.' %}
</p>
<p>
{% trans 'Click or type to extend your session.' %}
</p>
</div>
</div>