<button mat-raised-button class="raised-button-background white_font" [matMenuTriggerFor]="menu">
  <mat-icon>language</mat-icon>
  {{ interService.get('cambiar_idioma') }}
</button>
<mat-menu #menu="matMenu">
  <button mat-menu-item (click)="changeLanguage('ES')">
    {{ this.interService.get('espanol') }}
  </button>
  <button mat-menu-item (click)="changeLanguage('IN')">
    {{ this.interService.get('ingles') }}
  </button>
</mat-menu>
