@font-face {
  font-family: 'Fira Mono';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/firamono/v16/N0bX2SlFPv1weGeLZDtgKP7X.ttf) format('truetype');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/roboto/v50/KFOMCnqEu92Fr1ME7kSn66aGLdTylUAMQXC89YmC2DPNWubEbVmaiA8.ttf) format('truetype');
}
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/robotomono/v31/L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_3vq_SuW9.ttf) format('truetype');
}
@font-face {
  font-family: 'Ubuntu';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/ubuntu/v21/4iCs6KVjbNBYlgoKcQ7z.ttf) format('truetype');
}