<div id="piechart_3d" style="width: 900px; height: 500px;"></div>
    <script type="text/javascript" src="https://www.google.com/jsapi"></script>
    <script type="text/javascript">
      google.load("visualization", "1", {packages:["corechart"]});
      google.setOnLoadCallback(drawChart);
      function drawChart() {
        var data = google.visualization.arrayToDataTable([
          ['Bug type', 'Amount'],
          ['Open',     98],
          ['Closed',    441],
        ]);

        var options = {
          title: 'Tickets',
          is3D: true,
          slices: {
            0: { color: '#FF9999' },
            1: { color: '#99FF99' }
          },
          width: 300,
          height: 150,
          pieSliceTextStyle: {
            color: 'black'
          }
        };

        var chart = new google.visualization.PieChart(document.getElementById('piechart_3d'));
        chart.draw(data, options);
      }
    </script>