@font-face {
  font-family: 'Avenir-Roman';
  src: url('avenir-roman/AvenirLTStd-Roman.woff2') format('woff2'),
       url('Avenir-Roman.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Avenir-Black';
  src: url('avenir-black/AvenirLTStd-Black.woff2') format('woff2'),
       url('Avenir-Black.otf') format('opentype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Avenir-Medium';
  src: url('avenir-medium/AvenirLTStd-Medium.woff2') format('woff2'),
       url('Avenir-Medium.otf') format('opentype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Avenir-Heavy';
  src: url('avenir-heavy/AvenirLTStd-Heavy.woff2') format('woff2'),
       url('Avenir-Heavy.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}