Highcharts.chart('container', {

chart: {
    type: 'heatmap',
    marginTop: 40,
    marginBottom: 80,
    plotBorderWidth: 1
},


title: {
    text: 'Sales per employee per weekday'
},

xAxis: {
},

yAxis: {
    title: null
},

colorAxis: {
    min: 0,
    minColor: '#FFFFFF',
    maxColor: Highcharts.getOptions().colors[0]
},

legend: {
    align: 'right',
    layout: 'vertical',
    margin: 0,
    verticalAlign: 'top',
    y: 25,
    symbolHeight: 280
},

tooltip: {
    formatter: function () {
        return '<b>' + this.series.xAxis.categories[this.point.x] + '</b> sold <br><b>' +
            this.point.value + '</b> items on <br><b>' + this.series.yAxis.categories[this.point.y] + '</b>';
    }
},

series: [{
    name: 'Sales per employee',
    borderWidth: 1,
    data: [[0, 0, 10], [1, 0, 19], [2,0, 8], [3, 0, 24], [4, 0, 67], [5, 0, 2], [6, 0, 16], [7, 0, 10], [8, 0, 5], [9, 0, 50]],
    dataLabels: {
        enabled: true,
        color: '#000000'
    }
}]

});