.additional-details {
      display: none;
      opacity: 0;
      transition: opacity 0.3s ease-in-out;
      position: relative;
      top: -20px;
      bottom: 30px;
      background-color: #ffffff;
      padding: 10px;
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  }

.additional-details.active {
      display: block;
      opacity: 1;
      top: 0;
  }