@font-face {
    font-family: 'Avenir';
    src: url('Avenir-Black.eot');
    src: url('Avenir-Black.eot?#iefix') format('embedded-opentype'),
    url('Avenir-Black.woff2') format('woff2'),
    url('Avenir-Black.woff') format('woff'),
    url('Avenir-Black.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Avenir';
    src: url('Avenir-Heavy.eot');
    src: url('Avenir-Heavy.eot?#iefix') format('embedded-opentype'),
    url('Avenir-Heavy.woff2') format('woff2'),
    url('Avenir-Heavy.woff') format('woff'),
    url('Avenir-Heavy.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

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

@font-face {
    font-family: 'Avenir';
    src: url('Avenir-Book.eot');
    src: url('Avenir-Book.eot?#iefix') format('embedded-opentype'),
    url('Avenir-Book.woff2') format('woff2'),
    url('Avenir-Book.woff') format('woff'),
    url('Avenir-Book.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}