@font-face {
    font-family: 'Helios';
    src: local('Helios Regular'), local('Helios-Regular'),
        url('HeliosC.woff2') format('woff2'),
        url('HeliosC.woff') format('woff'),
        url('HeliosC.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
  }