@font-face {
  font-family: 'GT Sectra';
  font-style: normal;
  font-weight: 300;
  src: local('GT Sectra'), 
      url('GT-Sectra-Book.eot?#iefix') format('embedded-opentype'), 
      url(GT-Sectra-Book.woff) format('woff2'),
      url(GT-Sectra-Book.ttf) format('truetype'),
      url(GT-Sectra-Book.woff) format('woff2');
}