ef="https://cdn.jsdelivr.net/npm/@ionic/core@8/css/palettes/dark.system.css" />
  </head>

  <body>
    <ion-app>
      <ion-header class="ion-no-border">
        <ion-toolbar>
          <ion-buttons slot="start">
            <ion-back-button default-href="#"></ion-back-button>
          </ion-buttons>
          <ion-title>Display</ion-title>
          <ion-buttons slot="end">
            <ion-button color="dark">
              <ion-icon slot="icon-only" ios="person-circle-outline" md="person-circle"></ion-