/* Style for the round button Scroll to top */
    #scrollToTopBtn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 100;
      background-color: #333;
      color: white;
      border: none;
      width: 50px;
      height: 50px;
      border-radius: 50%; /* Makes it round */
      cursor: pointer;
      font-size: 24px;
      display: none; /* Hidden by default */
      box-shadow: 0 2px 6px rgba(0,0,0,0.3);
      transition: background-color 0.3s;
    }

    #scrollToTopBtn:hover {
      background-color: #555;
    }