/* Add styles for the favoriteIcon and notification window */
  .heart-empty {
    cursor: pointer;
  }

  .notification {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 5px;
    opacity: 0;
    transition: opacity 0.5s ease-in-out; z-index: 1000; 
  }