@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica.ttc');
    font-weight: 100;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica.ttc');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica Alt';
    src: url('Helvetica.ttc');
    font-weight: 600;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica Alt';
    src: url('Helvetica.ttc');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica Alt';
    src: url('Helvetica.ttc');
    font-weight: normal;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica.ttc');
    font-weight: 100;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica Alt';
    src: url('HelveticaLTStd-Bold.otf');
    font-weight: bold;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica Alt';
    src: url('HelveticaLTStd-Bold.otf');
    font-weight: 900;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica Alt';
    src: url('HelveticaLTStd-Bold.otf');
    font-weight: 300;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('HelveticaLTStd-Bold.otf');
    font-weight: 600;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica.ttc');
    font-weight: normal;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('HelveticaLTStd-Bold.otf');
    font-weight: bold;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica.ttc');
    font-weight: 900;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica.ttc');
    
    font-weight: 300;
    font-style: normal;
}