<div class="form-group row"> <label class="col-3 col-form-label">{{label}}</label> <div class="col"> <ng-select [formControl]="se" [multiple]="false" [hideSelected]="true"> <ng-option *ngFor="let option of options" [value]="option.value">{{option.label}}</ng-option> </ng-select> </div> <div class="col-2 align-self-center text-center"> <button class="btn btn-outline-success" *ngIf="!se.disabled" [hidden]="!se.value" (click)="addCriterion()"><i class="fas fa-plus-circle"></i></button> </div> </div>