@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/opensans/v18/mem8YaGs126MiZpBA-UFVZ0e.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 600;
  src: url(https://fonts.gstatic.com/s/opensans/v18/mem5YaGs126MiZpBA-UNirkOUuhs.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 800;
  src: url(https://fonts.gstatic.com/s/opensans/v18/mem5YaGs126MiZpBA-UN8rsOUuhs.ttf) format('truetype');
}