@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/opensans/static/OpenSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/opensans/static/OpenSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}
/* je nach Bedarf noch weitere Font-Weights */