<a class="nav-link" md-ripple
   [routerLink]="[item.url]" routerLinkActive="active">
    <md-icon class="nav-link-icon" *ngIf="item.icon">{{item.icon}}</md-icon>
    <span class="nav-link-title">{{item.title}}</span>
    <span class="nav-link-badge" *ngIf="item.badge" [ngStyle]="{'background-color': item.badge.bg,'color': item.badge.fg}">{{item.badge.title}}</span>
</a>
