@font-face {
    font-family: 'Tac1';
    src: url(helvetica_cyr_boldoblique.ttf);
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Tac';
    src: url(helvetica_light.otf);
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Tac';
    src: url(helvetica_bold.otf);
    font-weight: 900;
    font-style: normal;
}