@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 400;
  src: url(NotoSansKR-Regular.otf);
  src: url(NotoSansKR-Regular.otf) format('opentype'),
       url(NotoSansKR-Regular.woff) format('woff'),
       url(NotoSansKR-Regular.woff2) format('woff2');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 700;
  src: url(NotoSansKR-Bold.otf);
  src: url(NotoSansKR-Bold.otf) format('opentype'),
       url(NotoSansKR-Bold.woff) format('woff'),
       url(NotoSansKR-Bold.woff2) format('woff2');
}
@font-face {
  font-family: 'Noto Sans KR';
  font-style: normal;
  font-weight: 900;
  src: url(NotoSansKR-Black.otf);
  src: url(NotoSansKR-Black.otf) format('opentype'),
       url(NotoSansKR-Black.woff) format('woff'),
       url(NotoSansKR-Black.woff2) format('woff2');
}