src/styles/_icons.scss

// faSvg icons are Font Awesome icons in (minified/optimized) svg format.
// Font Awesome by Dave Gandy - http://fontawesome.io
// License: SIL OFL 1.1 http://scripts.sil.org/OFL
// Some icons are color coded. We are using svg instead of fonts here to reduce
// file size and complexity. We may consider switching to image fonts if it makes
// more sense.
.icon-faSvg {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: baseline;
  background-size: 1em;
  background-repeat: no-repeat;
}
.icon-faSvg--small {
  width: 0.75em;
  height: 0.75em;
  background-size: 0.75em;
}
.icon-faSvg-external-neutral9 {
  background-image: url('data:image/svg+xml;utf8,<svg version="1" xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 511.626 511.627" fill="#{$s-color-neutral9}"><path d="M393 292h-18a9 9 0 0 0-10 9v92c0 12-4 23-13 32s-20 14-32 14H82c-12 0-23-5-32-14s-13-20-13-32V155c0-12 4-23 13-32s20-13 32-13h201c3 0 5-1 7-3l2-7V82l-2-6c-2-2-4-3-7-3H82c-22 0-42 8-58 24a79 79 0 0 0-24 58v238c0 23 8 42 24 58s36 24 58 24h238c22 0 42-8 58-24s24-35 24-58v-92l-3-6c-1-2-3-3-6-3z"/><path d="M506 42c-3-4-8-5-13-5H347c-5 0-9 1-13 5-3 4-5 8-5 13s2 9 5 13l51 50-187 186a9 9 0 0 0 0 13l33 33a9 9 0 0 0 13 0l186-186 51 50a17 17 0 0 0 26 0c3-4 5-8 5-13V55c0-5-2-9-6-13z"/></svg>');
}
.icon-faSvg-external-neutral5 {
  background-image: url('data:image/svg+xml;utf8,<svg version="1" xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 511.626 511.627" fill="#{$s-color-neutral6}"><path d="M393 292h-18a9 9 0 0 0-10 9v92c0 12-4 23-13 32s-20 14-32 14H82c-12 0-23-5-32-14s-13-20-13-32V155c0-12 4-23 13-32s20-13 32-13h201c3 0 5-1 7-3l2-7V82l-2-6c-2-2-4-3-7-3H82c-22 0-42 8-58 24a79 79 0 0 0-24 58v238c0 23 8 42 24 58s36 24 58 24h238c22 0 42-8 58-24s24-35 24-58v-92l-3-6c-1-2-3-3-6-3z"/><path d="M506 42c-3-4-8-5-13-5H347c-5 0-9 1-13 5-3 4-5 8-5 13s2 9 5 13l51 50-187 186a9 9 0 0 0 0 13l33 33a9 9 0 0 0 13 0l186-186 51 50a17 17 0 0 0 26 0c3-4 5-8 5-13V55c0-5-2-9-6-13z"/></svg>');
}