#ir_arriba {
    display: none;
    padding: 12px 20px;
    background: #597A97;
    color: #fff;
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 24px;
    text-transform: uppercase;
    position: fixed;
    z-index: 1500;
    right: 60px;
    bottom: 10px;
}

#ir_arriba_mobile {
    display: none;
    padding: 12px 20px;
    background: #597A97;
    color: #fff;
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 24px;
    text-transform: uppercase;
    position: fixed;
    z-index: 1500;
    right: 35px;
    bottom: 20px;
}

@media screen and (max-width:375px) {
    #ir_arriba {
        display: none;
    }
}