nerd-fonts/bin/scripts/data/css-header.txt

@font-face {
  font-family: 'NerdFontsSymbols Nerd Font';
  /* @TODO you need to adjust the path to the font: */
  src: url("../fonts/Symbols-2048-em Nerd Font Complete.woff2") format("woff2");
  font-weight: normal;
  font-style: normal;
}

.nf, .nerd-font, .nerd-fonts {
  font-family: 'NerdFontsSymbols Nerd Font';
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  /* Better Font Rendering (from devicons, et al) */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}