diff --git a/themes/learn2/css/custom.css b/themes/learn2/css/custom.css
index 91fb570..e31acf6 100644
--- a/themes/learn2/css/custom.css
+++ b/themes/learn2/css/custom.css
@@ -39,14 +39,14 @@ Put your custom CSS in this file.
 }
 
 #main {
-    background-color: #ff0000;
+    background-color: #ff0000 !important;
 }
 
 body {
-    background-color: #00ff00;
+    background-color: #00ff00 !important;
 }
 
 .bg {
-    background-color: #0000ff;
+    background-color: #0000ff !important;
 }