@font-face {
  font-family: 'Source Sans Pro';
  font-style: normal;
  font-weight: 600;
  src: url(https://fonts.gstatic.com/s/sourcesanspro/v23/6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf) format('truetype');
}
@font-face {
  font-family: 'Source Serif Pro';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/sourceserifpro/v18/neIQzD-0qpwxpaWvjeD0X88SAOeauXQ-pQ.ttf) format('truetype');
}