@font-face {
    font-family: 'Helvetica';
    src: local('Helvetica Regular'), local('Helvetica-Regular'),
        url('Helvetica.woff2') format('woff2'),
        url('Helvetica.woff') format('woff'),
        url('Helvetica.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
  }
@font-face {
    font-family: 'Helvetica';
    src: local('Helvetica Bold'), local('Helvetica-Bold'),
    url('Helvetica-Bold.woff2') format('woff2'),
    url('Helvetica-Bold.woff') format('woff'),
    url('Helvetica-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}
@font-face {
    font-family: 'Helvetica';
    src: local('Helvetica Light'), local('Helvetica-Light'),
    url('Helvetica-Light.woff2') format('woff2'),
    url('Helvetica-Light.woff') format('woff'),
    url('Helvetica-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}