@font-face {
  font-family: 'Ubuntu Mono Letter';
  font-display: swap;
  font-style: normal;
  font-weight: normal;
  src: url('../fonts/subset-UbuntuMono-Regular.eot');
  src:
    url('../fonts/subset-UbuntuMono-Regular.eot#iefix') format('embedded-opentype'),
    url('../fonts/subset-UbuntuMono-Regular.woff2') format('woff2'),
    url('../fonts/subset-UbuntuMono-Regular.woff') format('woff'),
    url('../images/subset-UbuntuMono-Regular.svg#UbuntuMono-Regular') format('svg');
  font-display: swap;
}