diff --git a/themes/learn2/css/custom.css b/themes/learn2/css/custom.css
index 493ea50..aca2450 100644
--- a/themes/learn2/css/custom.css
+++ b/themes/learn2/css/custom.css
@@ -3,15 +3,17 @@
 Put your custom CSS in this file.
 ===============================================================================================================================
 */
+
+/* sidebar big lower portion */
 #sidebar {
   background-color: #262c31;
 }
 
-/*
 #sidebar #header {
-    background-color: #4AC694;
+    background-color: #111314;
 }
 
+/*
 #sidebar #header .searchbox {
     background: #fff;
     border-radius: 0px;