diff --git a/css/font-awesome.css b/css/font-awesome.css
index ee906a819..8b4862482 100644
--- a/css/font-awesome.css
+++ b/css/font-awesome.css
@@ -19,6 +19,14 @@
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
+.fa-inset {
+    color: transparent;
+    background-color: rgba(55, 55, 55, 0.5);
+    text-shadow: 0px 2px 2px rgba(255, 255, 255, 0.5);
+    -webkit-background-clip: text;
+    -moz-background-clip: text;
+    background-clip: text;
+}
 /* makes the font 33% larger relative to the icon container */
 .fa-lg {
   font-size: 1.33333333em;