@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: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf) format('truetype');
}
@font-face {
  font-family: 'Questrial';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/questrial/v19/QdVUSTchPBm7nuUeVf70viFg.ttf) format('truetype');
}
@font-face {
  font-family: 'Ubuntu Mono';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/ubuntumono/v19/KFOjCneDtsqEr0keqCMhbCc6CsE.ttf) format('truetype');
}