@font-face {
  font-family: Sahel;
  src: url('Sahel.eot');
  src: url('Sahel.eot?#iefix') format('embedded-opentype'),
       url('Sahel.woff2') format('woff2'),
       url('Sahel.woff') format('woff'),
       url('Sahel.ttf') format('truetype');
  font-weight: normal;
}
      
@font-face {
  font-family: Sahel;
  src: url('Sahel-Bold.eot');
  src: url('Sahel-Bold.eot?#iefix') format('embedded-opentype'),
       url('Sahel-Bold.woff2') format('woff2'),
       url('Sahel-Bold.woff') format('woff'),
       url('Sahel-Bold.ttf') format('truetype');
  font-weight: bold;
}

@font-face {
  font-family: Sahel;
  src: url('Sahel-Light.eot');
  src: url('Sahel-Light.eot?#iefix') format('embedded-opentype'),
       url('Sahel-Light.woff2') format('woff2'),  
       url('Sahel-Light.woff') format('woff'),
       url('Sahel-Light.ttf') format('truetype');
  font-weight: 300;
}
      
@font-face {
  font-family: Sahel;
  src: url('Sahel-SemiBold.eot');
  src: url('Sahel-SemiBold.eot?#iefix') format('embedded-opentype'),
       url('Sahel-SemiBold.woff2') format('woff2'),  
       url('Sahel-SemiBold.woff') format('woff'),
       url('Sahel-SemiBold.ttf') format('truetype');
  font-weight: 600;
}

@font-face {
  font-family: Sahel;
  src: url('Sahel-Black.eot');
  src: url('Sahel-Black.eot?#iefix') format('embedded-opentype'),
       url('Sahel-Black.woff2') format('woff2'),  
       url('Sahel-Black.woff') format('woff'),
       url('Sahel-Black.ttf') format('truetype');
  font-weight: 900;
}

@font-face {
  font-family: Sahel VF;
  src: url('Sahel-VF.woff2') format('woff2');
}

.foo {
  font-family: Sahel VF;
  font-variation-settings: "wght" 600;
}

.bar {
  font-family: Sahel VF;
  font-variation-settings: "wght" 900;
}

<link href="https://cdn.jsdelivr.net/gh/rastikerdar/sahel-font@v[X.Y.Z]/dist/font-face.css" rel="stylesheet" type="text/css" />

font-family: 'Sahel', sans-serif;

pacaur -S sahel-fonts

kateb install sahel
or
kateb update sahel