@font-face {
  font-family: 'IBM Plex Mono';
  font-style: italic;
  font-weight: 700;
  src: url(https://fonts.gstatic.com/s/ibmplexmono/v20/-F6sfjptAgt5VM-kVkqdyU8n1ioSblJ1hMoV.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/ptserif/v19/EJRVQgYoZZY2vCFuvAFSzro.ttf) format('truetype');
}