@font-face {
  font-family: 'IBM Plex Serif';
  font-style: normal;
  font-weight: 100;
  src: url(https://fonts.wp.com/s/ibmplexserif/v19/jizBREVNn1dOx-zrZ2X3pZvkTi182zI.ttf) format('truetype');
}