.book-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
  }
  
  .book-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border-radius: 8px;
    background-color: #f5f5f5;
  }
  
  .book-title {
    font-size: 20px;
    font-weight: bold;
    color: #333333;
    text-align: center;
    margin-bottom: 10px;
  }
  
  .book-price {
    font-size: 16px;
    color: #777777;
    margin-bottom: 20px;
  }
  
  .buy-button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: #ffffff;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .buy-button:hover {
    background-color: #45a049;
  }