web3-books/src/app/tab2/tab2.page.scss

ion-button.active {
    font-weight: bold;
    color: var(--ion-color-primary);
  }
  
  ion-card {
    margin-bottom: 15px;
  }
  
  ion-card img {
    max-height: 300px;
    object-fit: cover;
  }
  
  ion-card-header {
    text-align: center;
  }