diff --git a/app/static/index.html b/app/static/index.html
index 99586dd..cf1ca1f 100644
--- a/app/static/index.html
+++ b/app/static/index.html
@@ -288,7 +288,7 @@
         }
 
         .accordion-header.active {
-            background: #cc0000;
+            background: #495057;
             color: white;
         }