<div id="classes" class="row">
  <div class="col-md">
    <div>
      <h3>Your Classes</h3>
    </div>
    <ag-grid-angular
       style="width: 90%; height: 100%;"
       class="ag-theme-balham"
       [columnDefs]="columnDefs"
       [rowData]="rowData | async"
       [gridOptions]="gridOptions"
    >
    </ag-grid-angular>
  </div>
  <div class="col-md">
    <div id="graphs">
      <div>
        <app-response-chart></app-response-chart>
      </div>
    </div>
  </div>
</div>