.back-to-top {
    background: none;
    margin: 0;
    position: fixed; /* Fixed/sticky position */
    bottom: 20px;  /* Place the button at the bottom of the page */
    right: 30px; /* Place the button 30px from the right */
    width: 70px;
    height: 70px;
    z-index: 99; /* Make sure it does not overlap */
    display: none; /* Hidden by default */
    text-decoration: none;
    color: #fc7700;
    background-color: transparent;
}

.back-to-top i {
    font-size: 60px;
}