message: fix(carousel): fixed styles for carousel navigation buttons
diff: @@ -34,13 +34,13 @@ export enum Direction {UNKNOWN, NEXT, PREV}
  <li *ngFor="let slidez of slides; let i = index;" [class.active]="slidez.active === true" (click)="selectSlide(i)"></li>
  </ol>
  <div class="carousel-inner"><ng-content></ng-content></div>
  - <a class="left carousel-control-prev" [class.disabled]="activeSlide === 0 && noWrap" (click)="previousSlide()" *ngIf="slides.length > 1">
  + <a class="left carousel-control carousel-control-prev" [class.disabled]="activeSlide === 0 && noWrap" (click)="previousSlide()" *ngIf="slides.length > 1">
  <span class="icon-prev carousel-control-prev-icon" aria-hidden="true"></span>
  <span *ngIf="isBs4" class="sr-only">Previous</span>
  </a>
  - <a class="right carousel-control-next" (click)="nextSlide()" [class.disabled]="isLast(activeSlide) && noWrap" *ngIf="slides.length > 1">
  + <a class="right carousel-control carousel-control-next" (click)="nextSlide()" [class.disabled]="isLast(activeSlide) && noWrap" *ngIf="slides.length > 1">
  <span class="icon-next carousel-control-next-icon" aria-hidden="true"></span>
  - <span *ngIf="isBs4" class="sr-only">Next</span>
  + <span class="sr-only">Next</span>
  </a>
  </div>
  `
  