@media (max-width: 575.98px) {
    .belbutton,
    .tothetop {
        width: 48px;
        height: 48px;
        bottom: 12px;
    }

    .belbutton {
        left: 12px;
    }

    .belbutton a {
        font-size: 2.1rem;
    }

    .belbutton .fa-whatsapp {
        padding-top: 7px;
        padding-left: 8px;
    }

    .tothetop {
        right: 12px;
    }

    .tothetop img {
        width: 48px;
        height: 48px;
    }
}