@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url(https://fonts.gstatic.com/l/font?kit=vEFy2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6OAVIJmeUDygwjisltrhxPS8QhlgXubUQHxfsdePmtjHiPC7PgN4BPv4VklO5gv3hIkJH1zRocewMiFTf-t473GmPTCUhIkHcos2iX2NnIF5Q&skey=8bcb392be1d494a6&v=v15) format('truetype');
}