diff --git a/themes/atom-light-ui/atom.css b/themes/atom-light-ui/atom.css
index 78020c44b..76f2e989b 100644
--- a/themes/atom-light-ui/atom.css
+++ b/themes/atom-light-ui/atom.css
@@ -19,4 +19,8 @@ html, body,
 .error {
   background: #991212 !important;
   -webkit-transition: background 300ms ease-out;
+}
+
+.wrap-guide {
+  background: rgba(150, 150, 150, 0.1);
 }
\ No newline at end of file