<div id="charts">
            <div id="chart1">
              <ReactApexChart options={this.state.chartOptionsArea} series={this.state.series} type="line" height="230" />
            </div>
            <div id="chart2">
              <ReactApexChart options={this.state.chartOptionsBrush} series={this.state.series} type="area" height="130" />
            </div>
          </div>