@font-face {
  font-family: 'IBM Plex Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('IBM Plex Serif'), local('IBMPlexSerif'), url(https://fonts.gstatic.com/s/ibmplexserif/v8/jizDREVNn1dOx-zrZ2X3pZvkTiUf2zI.ttf) format('truetype');
}