Made images downloadable

Change-Id: I5e0d3b7899a8193f1a3ee6048b4f50038ab1a5fb
diff --git a/dev/scss/util.scss b/dev/scss/util.scss
index a33644a..ed737f1 100644
--- a/dev/scss/util.scss
+++ b/dev/scss/util.scss
@@ -216,6 +216,7 @@
 $fa-up:          "\f0d8";
 $fa-down:        "\f0d7";
 $fa-close:       "\f00d";
+$fa-download:    "\f019";
 $fa-info:        "\f05a";
 $fa-elipsis:     "\f141";
 $fa-previous:    "\f0d9";