#Vira {
    display: none;
    position: fixed;
    right: 10px;
    bottom: 10px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    background-image: url(/downloads/utils/js-jquery/image/RR.svg);
    background-size: cover;
}

#Vira:hover {
    background-image: url(/downloads/utils/js-jquery/image/RR-active.svg);
}