@font-face {
    font-family: 'metropolis';
    src: url('css/fonts/metropolis-regular.eot');
    src: url('css/fonts/metropolis-regular.eot') format('embedded-opentype'),
    url('css/fonts/metropolis-regular.woff') format('woff'),
    url('css/fonts/metropolis-regular.woff2') format('woff2'),
    url('css/fonts/metropolis-regular.ttf') format('truetype');
}