@font-face {
    font-family: 'HelveticaLight';
    /* src: url('Helvetica/Helvetica-Light.ttf'); */
    src: url('Neue_Helvetica/HelveticaNeueLTCom-Lt.ttf');
    font-weight: 100;
}
@font-face {
    font-family: 'HelveticaRegular';
    /* src: url('Helvetica/Helvetica-Regular.ttf'); */
    src: url('Neue_Helvetica/HelveticaNeueLTCom-Roman.ttf');
    font-weight: 100;
}
@font-face {
    font-family: 'HelveticaMedium';
    /* src: url('Helvetica/Helvetica-Medium.otf'); */
    src: url('Neue_Helvetica/HelveticaNeueLTCom-Md.ttf');
    font-weight: 100;
}
@font-face {
    font-family: 'HelveticaBold';
    /* src: url('Helvetica/Helvetica-Bold.ttf'); */
    src: url('Neue_Helvetica/HelveticaNeueLTCom-Bd.ttf');
    font-weight: 100;
}
@font-face {
    font-family: 'HelveticaExtraBlack';
    /* src: url('Helvetica/Helvetica-Black.ttf'); */
    src: url('Neue_Helvetica/HelveticaNeueLTCom-Hv.ttf');
    font-weight: 100;
}