l formatter
   * ----------------------
   */
  function labelFormatter(label, series) {
    return '<div style="font-size:13px; text-align:center; padding:2px; color: #fff; font-weight: 600;">'
      + label
      + '<br>'
      + Math.round(series.percent) + '%</div>'
  }
</script>
{% endblock extra_scripts %}
