Minor adjustments to fix Chrome bug with the hint helper
diff --git a/dev/scss/util.scss b/dev/scss/util.scss
index b132519..86bfb34 100644
--- a/dev/scss/util.scss
+++ b/dev/scss/util.scss
@@ -141,6 +141,9 @@
   box-sizing: border-box;         /* Opera/IE 8+ */
 }
 
+@mixin light-noise {
+  background-image:url('#{$img-path}/noise.png');
+}
 
 // https://css-tricks.com/almanac/properties/a/appearance/
 @mixin no-appearance {