@font-face {
    font-family: 'Helvetica';
    src: url('Helvetica-Bold.eot');
    src: url('Helvetica-Bold.eot?#iefix') format('embedded-opentype'),
        url('Helvetica-Bold.woff2') format('woff2'),
        url('Helvetica-Bold.woff') format('woff'),
        url('Helvetica-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: 'Helvetica';
    src: url('HelveticaNeue.eot');
    src: url('HelveticaNeue.eot?#iefix') format('embedded-opentype'),
        url('HelveticaNeue.woff2') format('woff2'),
        url('HelveticaNeue.woff') format('woff'),
        url('HelveticaNeue.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Helvetica';
    src: url('HelveticaLTStd-Light.eot');
    src: url('HelveticaLTStd-Light.eot?#iefix') format('embedded-opentype'),
        url('HelveticaLTStd-Light.woff2') format('woff2'),
        url('HelveticaLTStd-Light.woff') format('woff'),
        url('HelveticaLTStd-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Helvetica';
    src: url('HelveticaLTStd-Roman.eot');
    src: url('HelveticaLTStd-Roman.eot?#iefix') format('embedded-opentype'),
        url('HelveticaLTStd-Roman.woff2') format('woff2'),
        url('HelveticaLTStd-Roman.woff') format('woff'),
        url('HelveticaLTStd-Roman.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}