#scrollup {
    border: none;
    cursor: pointer;
    display: none;
    outline: none;
    padding: 7px;
    position: fixed;
    bottom: 20px;
    right: 20px;
    text-decoration: none;
    width: 42px;
    height: 42px;
    z-index: 9999;
}

#scrollup:hover,
#scrollup:focus {
    text-decoration: none;
}

#scrollup .icon {
    font-size: 28px;
    font-size: 1.75rem;
    width: 28px;
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}