@font-face {
  font-family: 'Fira Mono';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/firamono/v16/N0bX2SlFPv1weGeLZDtgJv7X.ttf) format('truetype');
}
@font-face {
  font-family: 'Martel Sans';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/martelsans/v14/h0GsssGi7VdzDgKjM-4d8hjYx-s.ttf) format('truetype');
}
@font-face {
  font-family: 'Yanone Kaffeesatz';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/yanonekaffeesatz/v32/3y9I6aknfjLm_3lMKjiMgmUUYBs04aUXNxt9gW2LIfto9tWZd2GP.ttf) format('truetype');
}