@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 300;
  src: url('opensans-300.ttf') format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  src: url('opensans-400.ttf') format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  src: url('opensans-700.ttf') format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 800;
  src: url('opensans-800.ttf') format('truetype');
}