@font-face {
  font-family: 'Fira Mono';
  font-style: normal;
  font-weight: 400;
  src: url(http://fonts.gstatic.com/s/firamono/v16/N0bX2SlFPv1weGeLZDtgK_7X.ttf) format('truetype');
}
@font-face {
  font-family: 'Fira Mono';
  font-style: normal;
  font-weight: 500;
  src: url(http://fonts.gstatic.com/s/firamono/v16/N0bS2SlFPv1weGeLZDto1d3Hk_fR.ttf) format('truetype');
}
@font-face {
  font-family: 'Fira Sans';
  font-style: italic;
  font-weight: 400;
  src: url(http://fonts.gstatic.com/s/firasans/v18/va9C4kDNxMZdWfMOD5VvkrjEYTc.ttf) format('truetype');
}
@font-face {
  font-family: 'Fira Sans';
  font-style: normal;
  font-weight: 700;
  src: url(http://fonts.gstatic.com/s/firasans/v18/va9B4kDNxMZdWfMOD5VnLK3eSxf_.ttf) format('truetype');
}