--- /dev/null
+import { Component, ViewEncapsulation } from '@angular/core';
+
+@Component({
+ selector: 'app-topnav',
+ templateUrl: './app-topnav.component.html',
+ styleUrls: ['./app-topnav.component.css'],
+ encapsulation: ViewEncapsulation.None
+})
+export class AppTopnavComponent {
+ public isCollapsed = false;
+
+ constructor() { }
+}