@font-face {
  font-family: 'Oxygen';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/oxygen/v16/2sDfZG1Wl4LcnbuKjk0j.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/ptserif/v19/EJRVQgYoZZY2vCFuvAFWzro.ttf) format('truetype');
}
@font-face {
  font-family: 'Permanent Marker';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/permanentmarker/v16/Fh4uPib9Iyv2ucM6pGQMWimMp004La2Ceg.ttf) format('truetype');
}