#scrollBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: #0d6efd;
    color: white;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 50%;
  }
  
  #scrollBtn:hover {
    background-color: #0b5ed7;
  }