@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 300;
  font-stretch: normal;
  src: url(google1.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(google2.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 600;
  font-stretch: normal;
  src: url(google3.ttf) format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  font-stretch: normal;
  src: url(google4.ttf) format('truetype');
}