<button mat-flat-button [matMenuTriggerFor]="menu" class="lang-button">
	<span>{{langSelected?.name}}</span>
	<mat-icon>expand_more</mat-icon>
</button>
<mat-menu #menu="matMenu">
	<button mat-menu-item *ngFor="let lang of languages" (click)="onLangSelected(lang.ISO)">
		<span>{{lang.name}}</span>
	</button>
</mat-menu>