#myBtn {
    font-size: 2.0rem;
    cursor: pointer;
    text-decoration: none;
    -moz-transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    -webkit-transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    -ms-transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    display: none;
    position: fixed;
    bottom: 0.75rem;
    right: 0.75rem;
    z-index: 10001;
    padding: 0.000rem 0.000rem 0.000rem 0.2rem;
    background-color: rgba(255, 255, 255, 0.875);
    box-shadow: 0 0.125rem 0.75rem 0 rgba(30, 37, 45, 0.25);
    scroll-behavior: smooth;
}

#myBtn:hover {
    color: #212931;
}