@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  font-stretch: normal;
  src: url(../font.html) format('woff');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(../font_3.html) format('woff');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-stretch: normal;
  src: url(../font_1.html) format('woff');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-stretch: normal;
  src: url(../font_2.html) format('woff');
}