frontend-inversiones/src/app/layouts/admin/admin.component.html

<div class="wrapper">
  <div class="sidebar" data-color="blue" data-background-color="white">
    <app-sidebar></app-sidebar>
    <div class="sidebar-background"></div>
  </div>
  <div class="main-panel">
    <app-navbar></app-navbar>
    <router-outlet></router-outlet>
    <app-footer></app-footer>
  </div>
</div>