@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  src: url(roboto_normal_300.woff) format('woff');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  src: url(roboto_normal_400.woff) format('woff');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  src: url(roboto_normal_700.woff) format('woff');
}