@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 300;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 600;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/opensans/v44/memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf) format('truetype');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 300;
  src: url(https://fonts.gstatic.com/s/sourceserif4/v14/vEFy2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6OAVIJmeUDygwjiklqnhVdCw.ttf) format('truetype');
}