@font-face {
  font-family: 'Noto Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/notosans/v42/o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A99d.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans';
  font-style: normal;
  font-weight: 700;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/notosans/v42/o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBN9d.ttf) format('truetype');
}
@font-face {
  font-family: 'Noto Sans Math';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/notosansmath/v18/7Aump_cpkSecTWaHRlH2hyV5UHkG.ttf) format('truetype');
}