Untitled

div class="w3-col s12 m6 w3-margin-bottom">
                  <div class="w3-card w3-border w3-container" (drop)="onDrop($event, 'front')" (dragover)="allowDrop($event)">
                      <img [src]="frontImage" class="w3-image">
                  </div>
              </div>