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