dslak_website/src/app/admin/admin.component.html

<div class="component-admin">
  <div class="row no-gutters" *ngIf="!authCheck">
    <div class="col-12 col-md-6 mx-auto">
      <form class="login-form-container" (submit)="login()">
        <div class="m-2">
          <span class="font-12">Username</span>
          <input type="text" class="input-text" name="userName" [(ngModel)]="userName">
        </div>
        <div class="m-2">
          <span class="font-12">Password</span>
          <input type="password" class="input-text" name="password" [(ngModel)]="password">
        </div>
        <div class="m-2 pt-4">
          <button type="submit" class="button">Sign-in</button>
        </div>
      </form>
    </div>
  </div>

  <div class="row no-gutters" *ngIf="authCheck">
    <div class="col-12 col-md-3 col-lg-2 menu" >
      <span class="section-title">Works</span>
      <button class="action">Add</button>
      <button class="action">Add</button>
      <button class="action">Add</button>
    </div>
  </div>
</div>