#scrollTopBtn {
    position: fixed;
    bottom: 150px;
    right: 25px;
    /* background-color: #000; */
    color: #fff;
    /* padding: 10px 15px; */
    /* border-radius: 50px; */
    z-index: 1000;
    cursor: pointer;
    /* box-shadow: 0 2px 10px rgba(0,0,0,0.3); */
    /* transition: opacity 0.3s ease; */
}

#scrollTopBtn a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
}

#scrollTopBtn:hover {
    /* background-color: #555; */
}