pigallery2/frontend/app/frame/frame.component.html

<ng2-slim-loading-bar [color]="'#337ab7'" [height]="'3px'"></ng2-slim-loading-bar>
<nav class="navbar  navbar-dark bg-dark  navbar-expand-md">
  <a class="navbar-brand" [routerLink]="['/gallery','/']"
     [queryParams]="queryService.getParams()">
    <img src="assets/icon_inv.png" width="30" height="30" class="d-inline-block align-top" alt="">
    <strong>{{title}}</strong>
  </a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav"
          aria-expanded="false" aria-label="Toggle navigation" (click)="toggleState()">
    <span class="navbar-toggler-icon"></span>
  </button>

  <div class="collapse navbar-collapse" id="navbarNav" [collapse]="collapsed">
    <ul class="navbar-nav navbar-right ml-auto">
      <ng-content select="[navbar]"></ng-content>
      <li class="nav-item divider-vertical">
      </li>
      <li class="nav-item mr-2 ml-2" *ngIf="authenticationRequired" style=" white-space: nowrap;">
        <span class="navbar-text" *ngIf="user.value">
          <span class="oi oi-person"></span> {{user.value.name}}</span>
      </li>
      <li class="nav-item" *ngIf="isAdmin()">
        <a style="cursor: pointer;"
           class="nav-link admin-link"
           [routerLink]="['/admin']">
          <span class="oi oi-wrench"></span>
          <span *ngIf="notificationService.notifications.length>0" class="badge">{{notificationService.notifications.length}}</span>
        </a>
      </li>
      <li class="nav-item ml-2">
        <app-language class="navbar-btn" isDark="true"></app-language>
      </li>
      <li class="nav-item ml-2" *ngIf="authenticationRequired">
        <button class="btn btn-default navbar-btn"
                style="cursor: pointer"
                (click)="logout()">
          <span class="oi oi-account-logout"></span>
          <ng-container i18n>Logout</ng-container>
        </button>
      </li>
    </ul>


  </div><!--/.nav-collapse -->

</nav>
<ng-content select="[body]"></ng-content>