@font-face {
    font-family: 'Back to Black Demo';
    font-style: normal;
    font-weight: 400;
    src: local('Back to Black Demo'), url('https://fonts.cdnfonts.com/s/76239/Back to Black Demo.woff') format('woff');
}
@font-face {
    font-family: 'Back to Black Bold Demo';
    font-style: normal;
    font-weight: 700;
    src: local('Back to Black Bold Demo'), url('https://fonts.cdnfonts.com/s/76239/Back to Black Bold Demo.woff') format('woff');
}