@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(1.ttf) format('truetype');
}
@font-face {
  font-family: 'Oxygen Mono';
  font-style: normal;
  font-weight: 400;
  src: url(2.ttf) format('truetype');
}