@font-face {
    font-family: 'Avenir';
    src: url(../fonts/AvenirLTStd-Book.otf)
            format('opentype'),
        url(../fonts/AvenirLTStd-Book.ttf)
            format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'AvenirLight';
    src: url(../fonts/AvenirLTStd-Light.otf)
            format('opentype'),
        url(../fonts/AvenirLTStd-Light.ttf)
            format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'AvenirBold';
    src: url(../fonts/AvenirLTStd-Heavy.otf)
            format('opentype'),
        url(../fonts/AvenirLTStd-Heavy.ttf)
            format('truetype');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'AvenirRoman';
    src: url(../fonts/AvenirLTStd-Roman.otf)
            format('opentype'),
        url(../fonts/AvenirLTStd-Roman.ttf)
            format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}