.hidden {
    display: none !important;
}

.footer-icon__telegram {
    content: url(../img/icons/ico-telegram-footer.svg);
    width: 40px;
    height: 40px;
}

.footer-icon__viber {
    content: url(../img/icons/ico-viber-footer.svg);
    width: 40px;
    height: 40px;
}