@font-face {
  font-family: 'saudi_riyal';
  src:
    url('regular/saudi_riyal.woff2') format('woff2'),
    url('regular/saudi_riyal.woff') format('woff'),
    url('regular/saudi_riyal.ttf') format('truetype');
  /* the font also maps A-D to empty glyphs; scope it to the Saudi Riyal sign only */
  unicode-range: U+20C1;
}