@font-face {
  font-family: 'Fira Sans';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/firasans/v18/va9E4kDNxMZdWfMOD5Vvl4jO.ttf) format('truetype');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/ibmplexsans/v23/zYXGKVElMYYaJe8bpLHnCwDKr932-G7dytD-Dmu1swZSAXcomDVmadSD6llDB6g9.ttf) format('truetype');
}
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-weight: 300;
  src: url(https://fonts.gstatic.com/s/robotomono/v31/L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_gPq_ROW9.ttf) format('truetype');
}
@font-face {
  font-family: 'Source Sans Pro';
  font-style: normal;
  font-weight: 300;
  src: url(https://fonts.gstatic.com/s/sourcesanspro/v23/6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf) format('truetype');
}