Font-Awesome/build/assets/font-awesome/less/icons.less

---
---
/* Font Awesome uses the Unicode Private Use Area (PUA) to ensure screen
   readers do not read off random characters that represent icons */
{% for icon in icons %}
.icon-{{ icon.id }}:before {
  content: @icon-{{ icon.id }}
}
{% for alias in icon.aliases %}
.icon-{{ alias }}:before {
  content: @icon-{{ icon.id }}
}
{% endfor %}
{% endfor %}