diff --git a/app/assets/stylesheets/_settings.scss b/app/assets/stylesheets/_settings.scss
index b8c6fcedd..296cccde6 100644
--- a/app/assets/stylesheets/_settings.scss
+++ b/app/assets/stylesheets/_settings.scss
@@ -666,8 +666,8 @@ $prototype-separator-margin-top: $global-margin;
 // --------------------
 
 $prototype-shadow-breakpoints: $global-prototype-breakpoints;
-$prototype-box-shadow: 0 2px 5px 0 rgba(0,0,0,.16),
-                       0 2px 10px 0 rgba(0,0,0,.12);
+$prototype-box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16),
+                       0 2px 10px 0 rgba(0, 0, 0, 0.12);
 
 // 41. Prototype Sizing
 // --------------------