<div id="donut">
            <div className="chart-wrap">
              <div id="chart">
                <ReactApexChart options={this.state.options} series={this.state.series} type="donut" width="380" />
              </div>
            </div>
            <div className="actions">
              <button onClick={() => this.randomize()}>RANDOMIZE</button>
              <button onClick={() => this.appendData()}>ADD</button>
              <button onClick={() => this.removeData()}>REMOVE</button>
              <button onClick={() => this.reset()}>RESET</button>
            </div>
          </div>