@font-face {
    font-family: 'Avenir';
    src: local('Avenir Light'), local('Avenir-Light'),
        url('Avenir-Light.woff2') format('woff2'),
        url('Avenir-Light.woff') format('woff'),
        url('Avenir-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}
@font-face {
    font-family: 'Avenir Black';
    src: local('Avenir Black'), local('Avenir-Black'),
        url('Avenir-Black.woff2') format('woff2'),
        url('Avenir-Black.woff') format('woff'),
        url('Avenir-Black.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
  }