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var options = {
  scaleColor: false,
  trackColor: 'rgba(0, 0, 0, 0.2)',
  barColor: '#399BFF',
  lineWidth: 6,
  lineCap: 'butt',
};

window.addEventListener('DOMContentLoaded', function() {
  var charts = [];
  [].forEach.call(document.querySelectorAll('.easypie'),  function(el) {
    charts.push(new EasyPieChart(el, options));
  });
});