@font-face {
  font-family: 'Fira Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/firamono/v16/N0bS2SlFPv1weGeLZDto1d3HnvfR.ttf) format('truetype');
}