opt-cc/static/src/app/statistic/campaign/campaign-navigation/campaign-navigation.component.html

<div class="scroll-btn scroll-btn-left"
     *ngIf="isLeftScrollVisible"
     (mouseenter)="setRepeater(-10)"
     (mouseleave)="clearRepeater()">
  <mat-icon svgIcon="chevron-left"></mat-icon>
</div>

<div class="campaign-horizontal-list" #horizontalList>
  <div class="campaign-entry">
    Ewige Übersicht
  </div>
  <div class="campaign-entry"
       *ngFor="let campaign of campaigns"
       (click)="selectCampaign(campaign._id)">
    {{campaign.title}}
  </div>
</div>

<div class="scroll-btn scroll-btn-right"
     *ngIf="isRightScrollVisible"
     (mouseenter)="setRepeater(10)"
     (mouseleave)="clearRepeater()">
  <mat-icon svgIcon="chevron-right"></mat-icon>
</div>