#scrollToTopButton {
    display: none; /* Initially hide the button */
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    background-color: rgb(91, 88, 88);
    color: #fff;
    border: none;
    border-radius: 50%;
    padding: 15px;
    cursor: pointer;
}

.bx-up-arrow-alt {
    font-size: 24px;
    color: #ffffff;
}