tton>
          <ion-back-button class="large" text="large"></ion-back-button>
          <ion-back-button class="round" text="round"></ion-back-button>
          <ion-back-button class="small"></ion-back-button>
        </p>
        <p>
          <ion-back-button class="wide ion-focused" text="wide"></ion-back-button>
          <ion-back-button class="large ion-focused" text="large"></ion-back-button>
          <ion-back-button class="round ion-focused" text="round"></ion-back-button>
          <ion-back-bu