@mixin pe-glyph($webfont-id, $glyph-name) {
  ...
}

.class-name:before {
  @include pe-glyph(home);
}

.class-name:before {
  font-family: "Awesome Glyph";
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  -webkit-font-smoothing: antialiased;
  text-transform: none;
  speak: none;
  content: "\f600";
}