AddUpdateRecipeComponent CSS file.

add-update-recipe.component.css

<div>
  <mat-progress-bar [mode]="'indeterminate'" *ngIf="isLoading">
  </mat-progress-bar>

  <div class="container text-center">
    <form [formGroup]="employeeForm" (ngSubmit)="onSubmit()">
      <mat-card class="example-card">
        <mat-card-header>
          <h3>{{isAdd == true ? 'Add Recepi' : 'Update Recepi'}}</h3>
        </mat-card-header>
        <mat-card-content>
          <div class="example-container">
            <mat-form-field>
              <input class="form-control" matInput placeholder="Recipe Name" name="recepiName"
                formControlName="recepiName">
              <mat-error *ngIf="employeeForm.controls['recepiName'].invalid && submitted">
                Recepi name is required.
              </mat-error>
              <mat-error *ngIf="employeeForm.controls['recepiName'].invalid && !submitted">
                Recepi name is required.
              </mat-error>
            </mat-form-field>

            <mat-form-field>
              <textarea class="form-control" matInput placeholder="Description" name="recepiDesc"
                formControlName="recepiDesc"></textarea>
              <mat-error *ngIf="employeeForm.controls['recepiDesc'].invalid && submitted">
                Please describe your recepi.
              </mat-error>
              <mat-error *ngIf="employeeForm.controls['recepiDesc'].invalid && !submitted">
                Please describe your recepi.
              </mat-error>
            </mat-form-field>

          </div>
        </mat-card-content>
        <mat-card-actions>
          <button mat-raised-button type="submit" color="accent">
            {{isAdd == true ? 'Add Recepi' : 'Update Recepi'}}
          </button>
        </mat-card-actions>
      </mat-card>
    </form>

  </div>

</div>