webvirtcloud/templates/errors_block.html

{% if error_messages %}
    {% for error in error_messages %}
        <div class="alert alert-danger alert-dismissible" role="danger">
          <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
          <strong>Error:</strong> {{ error }}
        </div>
    {% endfor %}
{% endif %}