<!-- PROPERTY BINDING -->
<header class="header">
    <h1 class="header__title"> {{ title }} </h1>
  
    <ul class="nav-bar-list">
      <li>
        <a routerLink="/home" routerLinkActive="ativado"> Home </a>
      </li>
      <li>
        <a routerLink="/extrato" routerLinkActive="ativado"> Extrato </a>
      </li>
      <li>
        <a routerLink="/contatos" routerLinkActive="ativado"> Contatos </a>
      </li>
      <li>
        <button class="btn btn-dark" (click)="logout()">Logout</button>
      </li>
    </ul>
  </header>
