#back-to-top{
    background-color: transparent;
    bottom: 0;
    box-shadow: 0 0 6px;
    color: #444444;
    padding: 10px 10px;
    position: fixed;
    right: 50px;
    cursor: pointer;
    border-radius: 30px;
}
#back-to-bottom {
     background-color: transparent;
    top: 0;
    box-shadow: 0 0 6px;
    color: #444444;
    padding: 10px 10px;
    position: fixed;
    right: 50px;
    cursor: pointer;
    border-radius: 30px;
}